• Iffy numerical what-comes-next puzzle...

    From Phil Carmody@21:1/5 to All on Sat May 17 14:03:03 2025
    What comes next in this kinda-numerical sequence:

    ===================




    6105
    77156
    948717
    ==================

    Yes, the first four of the entries are blank.

    Phil
    --
    We are no longer hunters and nomads. No longer awed and frightened, as we have gained some understanding of the world in which we live. As such, we can cast aside childish remnants from the dawn of our civilization.
    -- NotSanguine on SoylentNews, after Eugen Weber in /The Western Tradition/

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  • From Carl G.@21:1/5 to Phil Carmody on Sat May 17 10:10:15 2025
    On 5/17/2025 4:03 AM, Phil Carmody wrote:
    What comes next in this kinda-numerical sequence:

    ===================




    6105
    77156
    948717
    ==================

    Yes, the first four of the entries are blank.

    Phil
    Are you sure that the last number shouldn't be 948617? If it is 948617,
    then 2324788 may come next.
    --
    Carl G.


    --
    This email has been checked for viruses by AVG antivirus software.
    www.avg.com

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  • From Phil Carmody@21:1/5 to Carl G. on Sun May 18 10:53:31 2025
    "Carl G." <carlgnews@microprizes.com> writes:
    On 5/17/2025 4:03 AM, Phil Carmody wrote:
    What comes next in this kinda-numerical sequence:

    ===================




    6105
    77156
    948717
    ==================

    Yes, the first four of the entries are blank.

    Are you sure that the last number shouldn't be 948617? If it is
    948617, then 2324788 may come next.

    Now you have me intrigued! However, the 7th term is indeed 948717.
    As an extra pointer, the subsequent terms become incredibly predictable
    very quickly at this point, until you hit the 25th term.

    Phil
    --
    We are no longer hunters and nomads. No longer awed and frightened, as we have gained some understanding of the world in which we live. As such, we can cast aside childish remnants from the dawn of our civilization.
    -- NotSanguine on SoylentNews, after Eugen Weber in /The Western Tradition/

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  • From David Entwistle@21:1/5 to Phil Carmody on Mon Jun 9 07:21:49 2025
    On Sat, 17 May 2025 14:03:03 +0300, Phil Carmody wrote:

    What comes next in this kinda-numerical sequence:

    Hello Phil,

    Would you care to post a pointer, or a solution with the usual
    obscuration?

    I can't see any numerical connection, but that certainly doesn't mean
    there isn't one.

    --
    David Entwistle

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  • From Phil Carmody@21:1/5 to David Entwistle on Mon Jun 30 12:03:27 2025
    David Entwistle <qnivq.ragjvfgyr@ogvagrearg.pbz> writes:
    On Sat, 17 May 2025 14:03:03 +0300, Phil Carmody wrote:
    What comes next in this kinda-numerical sequence:

    Hello Phil,

    Would you care to post a pointer, or a solution with the usual
    obscuration?

    It's been long enough, here's the answer:

    214358881

    That might be enough to give the rule away, but if not, here's a
    rot-13 explanation:

    Gurl ner gur aba-cnyvaqebzvp cnegf bs gur cbjref bs 11 va onfr gra.

    Phil
    --
    We are no longer hunters and nomads. No longer awed and frightened, as we have gained some understanding of the world in which we live. As such, we can cast aside childish remnants from the dawn of our civilization.
    -- NotSanguine on SoylentNews, after Eugen Weber in /The Western Tradition/

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  • From David Entwistle@21:1/5 to Phil Carmody on Mon Jun 30 12:01:08 2025
    On Sat, 17 May 2025 14:03:03 +0300, Phil Carmody wrote:

    What comes next in this kinda-numerical sequence:

    Sort of related to the original question...

    1, 2, 4, 8, 7, ?

    Ubcr V unir guvf evtug... Svir. Gurl ner gur qvtvgny ebbg (gur fhz bs gur qvtvgf) va gur frevrf bs ryrira envfrq gb gur cbjre mreb, bar, gjb rgp.
    Sbe gubfr jub yvxr fhpu guvatf, jul vf vg gur fnzr nf gur fhz bs gur
    qvtvgf va gur frevrf bs gjb envfrq gb gur cbjre mreb, bar, gjb rgp.

    --
    David Entwistle

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  • From David Entwistle@21:1/5 to Phil Carmody on Mon Jun 30 11:32:51 2025
    On Mon, 30 Jun 2025 12:03:27 +0300, Phil Carmody wrote:

    It's been long enough, here's the answer:

    Ah, very good. If I had realized it was such a reasonably structured
    question, I may have tried harder. However, I doubt I would have had the insight to find the solution. I'll have a better understanding of the type
    of question you may pose, when I see future posts from you.

    Best wishes,
    --
    David Entwistle

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  • From user4055@newsgrouper.org.invalid@21:1/5 to All on Mon Jun 30 20:25:48 2025
    Phil Carmody <pc+usenet@asdf.org> posted:

    "Carl G." <carlgnews@microprizes.com> writes:
    On 5/17/2025 4:03 AM, Phil Carmody wrote:
    What comes next in this kinda-numerical sequence:

    ===================
    (blank)
    (blank)
    (blank)
    (blank)
    6105
    77156
    948717
    ==================

    Yes, the first four of the entries are blank.

    Are you sure that the last number shouldn't be 948617? If it is
    948617, then 2324788 may come next.


    What's the thinking here?



    Now you have me intrigued! However, the 7th term is indeed 948717.
    As an extra pointer, the subsequent terms become incredibly predictable
    very quickly at this point, until you hit the 25th term.

    Phil



    --
    We are no longer hunters and nomads. No longer awed and frightened, as we have gained some understanding of the world in which we live. As such, we can cast aside childish remnants from the dawn of our civilization.
    -- NotSanguine on SoylentNews, after Eugen Weber in The Western Tradition



    What's the thinking here?

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  • From Phil Carmody@21:1/5 to David Entwistle on Tue Jul 22 22:06:42 2025
    David Entwistle <qnivq.ragjvfgyr@ogvagrearg.pbz> writes:
    On Sat, 17 May 2025 14:03:03 +0300, Phil Carmody wrote:

    What comes next in this kinda-numerical sequence:

    Sort of related to the original question...

    1, 2, 4, 8, 7, ?

    Ubcr V unir guvf evtug... Svir. Gurl ner gur qvtvgny ebbg (gur fhz bs gur qvtvgf) va gur frevrf bs ryrira envfrq gb gur cbjre mreb, bar, gjb rgp.
    Sbe gubfr jub yvxr fhpu guvatf, jul vf vg gur fnzr nf gur fhz bs gur
    qvtvgf va gur frevrf bs gjb envfrq gb gur cbjre mreb, bar, gjb rgp.

    Because 1+1=2!

    Phil
    --
    We are no longer hunters and nomads. No longer awed and frightened, as we have gained some understanding of the world in which we live. As such, we can cast aside childish remnants from the dawn of our civilization.
    -- NotSanguine on SoylentNews, after Eugen Weber in /The Western Tradition/

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  • From David Entwistle@21:1/5 to Phil Carmody on Wed Jul 23 08:33:49 2025
    On Tue, 22 Jul 2025 22:06:42 +0300, Phil Carmody wrote:

    Because 1+1=2!

    Is that it?

    I was thinking more along the lines of the following, where DR is the
    digital root (the sum of the digits repeated until you get to a single
    digit), why are these two sequences the same?

    2^0 = 1, DR = 1
    2^1 = 2, DR = 2
    2^2 = 4, DR = 4
    2^3 = 8, DR = 8
    2^4 = 16, DR = 7
    2^5 = 32, DR = 5
    2^6 = 64, DR = 1
    2^7 = 128, DR = 2

    11^0 = 1, DR = 1
    11^1 = 11, DR = 2
    11^2 = 121, DR = 4
    11^3 = 1331, DR = 8
    11^4 = 14641, DR = 7
    11^5 = 161051, DR = 5
    11^7 = 1771561, DR = 1
    11^7 = 19487171, DR = 2

    I'm thinking it's because the digital root is a Mod(9) calculation and 11
    % 9 = 2. But I may be losing the plot.

    --
    David Entwistle

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  • From David Entwistle@21:1/5 to Phil Carmody on Thu Jul 24 05:32:47 2025
    On Tue, 22 Jul 2025 22:06:42 +0300, Phil Carmody wrote:

    Because 1+1=2!

    On reflection, I see that is the reason. I've been over-thinking it and
    not fully understanding the fundamentals.

    Thanks.

    --
    David Entwistle

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  • From David Entwistle@21:1/5 to David Entwistle on Thu Jul 24 17:21:32 2025
    On Thu, 24 Jul 2025 05:32:47 -0000 (UTC), David Entwistle wrote:

    On reflection, I see that is the reason. I've been over-thinking it and
    not fully understanding the fundamentals.

    Or, possibly not. I'm feeling a little fragile at the moment and I need to think about this. It's all good, only numbers and a bit of a puzzle,
    should be fun.

    --
    David Entwistle

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