Sujet : Re: Add the numbers in a 9x9 multiplication Table
De : HenHanna (at) *nospam* dev.null (HenHanna)
Groupes : rec.puzzles comp.lang.lisp comp.lang.pythonDate : 03. Jan 2025, 22:31:34
Autres entêtes
Organisation : novaBBS
Message-ID : <441f7c9599790e4d83d9910c8d099902@www.novabbs.com>
References : 1 2
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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.
Add the numbers in a 9x9 multiplication Table
Re: Add the numbers in a 9x9 multiplication Table
