cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A134297 a(n) = 107*n.

Original entry on oeis.org

0, 107, 214, 321, 428, 535, 642, 749, 856, 963, 1070, 1177, 1284, 1391, 1498, 1605, 1712, 1819, 1926, 2033, 2140, 2247, 2354, 2461, 2568, 2675, 2782, 2889, 2996, 3103, 3210, 3317, 3424, 3531, 3638, 3745, 3852, 3959, 4066, 4173, 4280, 4387, 4494, 4601, 4708
Offset: 0

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Author

Artur Jasinski, Oct 18 2007

Keywords

Comments

For n > 0, a(n)^5 has a partition as the sum of fifth powers of five positive numbers: (107n)^5 = (7n)^5 + (43n)^5 + (57n)^5 + (80n)^5 + (100n)^5. [Corrected by Jianing Song, Jan 24 2020]

Examples

			107^5 = 7^5 + 43^5 + 57^5 + 80^5 + 100^5.

Links

Crossrefs

Cf. A134298, A063923.
Without the initial 0, subsequence of A063922 (k such that k^5 = a^5+b^5+c^5+d^5+e^5, where at least two of a,b,c,d,e are nonzero).

Programs

  • Mathematica
    Table[107n, {n, 0, 30}]
  • PARI
    a(n) = 107*n \\ Jianing Song, Jan 24 2020

Formula

G.f.: 107*x/(-1+x)^2. - R. J. Mathar, Nov 14 2007

Extensions

a(0) prepended by Jianing Song, Jan 24 2020
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