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Groups > comp.lang.python > #197135
| From | HenHanna <HenHanna@dev.null> |
|---|---|
| Newsgroups | rec.puzzles, comp.lang.lisp, comp.lang.python |
| Subject | Re: Add the numbers in a 9x9 multiplication Table |
| Date | 2025-01-03 21:31 +0000 |
| Organization | novaBBS |
| Message-ID | <441f7c9599790e4d83d9910c8d099902@www.novabbs.com> (permalink) |
| References | <0b09b939cdbbe465809a7ec27e30912a@www.novabbs.com> <87seq1fpv9.fsf@tilde.institute> |
Cross-posted to 3 groups.
On Thu, 2 Jan 2025 10:54:02 +0000, yeti wrote:
> https://oeis.org/A000537 ?
Sum of first n cubes; or n-th triangular number squared.
0, 1, 9, 36, 100, 225, 441, 784, 1296, 2025, 3025, 4356, 6084, 8281,
11025, 14400, 18496, 23409, 29241, 36100, 44100, 53361, 64009, 76176,
90000, 105625, 123201, 142884, 164836, 189225, 216225, 246016, 278784,
314721, 354025, 396900, 443556, 494209, 549081
Thank you... It's not obvous to me why
Sum of (consecutive) cubes would be a Square number.
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Add the numbers in a 9x9 multiplication Table HenHanna <HenHanna@dev.null> - 2025-01-02 04:02 +0000
Re: Add the numbers in a 9x9 multiplication Table Kaz Kylheku <643-408-1753@kylheku.com> - 2025-01-02 05:49 +0000
Re: Add the numbers in a 9x9 multiplication Table "B. Pym" <Nobody447095@here-nor-there.org> - 2025-06-06 00:13 +0000
Re: Add the numbers in a 9x9 multiplication Table "B. Pym" <Nobody447095@here-nor-there.org> - 2025-06-06 15:25 +0000
Re: Add the numbers in a 9x9 multiplication Table yeti <yeti@tilde.institute> - 2025-01-02 11:36 +0042
Re: Add the numbers in a 9x9 multiplication Table HenHanna <HenHanna@dev.null> - 2025-01-03 21:31 +0000
Re: Add the numbers in a 9x9 multiplication Table Kaz Kylheku <643-408-1753@kylheku.com> - 2025-01-03 23:12 +0000
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