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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.

A287997 Expansion of 1/((1-x)(1-x^3)(1-x^5) ... (1-x^13)).

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%I A287997 #15 Jan 26 2021 03:50:56
%S A287997 1,1,1,2,2,3,4,5,6,8,10,12,15,18,22,26,31,36,43,50,58,68,78,90,103,
%T A287997 118,134,153,173,195,220,247,277,310,346,385,429,475,526,582,642,707,
%U A287997 778,854,936,1026,1121,1224,1335,1454,1581,1718,1864,2020,2188,2366,2556
%N A287997 Expansion of 1/((1-x)(1-x^3)(1-x^5) ... (1-x^13)).
%C A287997 Number of partitions of n into odd parts less than or equal to 13.
%C A287997 Number of partitions (d1,d2,...,d7) of n such that 0 <= d1/1 <= d2/2 <= ... <= d7/7.
%H A287997 Seiichi Manyama, <a href="/A287997/b287997.txt">Table of n, a(n) for n = 0..10000</a>
%H A287997 <a href="/index/Rec#order_49">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, 1, -1, 1, -1, 1, -2, 2, -2, 2, -3, 3, -3, 3, -4, 4, -3, 4, -4, 5, -4, 4, -5, 5, -4, 4, -5, 4, -4, 3, -4, 4, -3, 3, -3, 3, -2, 2, -2, 2, -1, 1, -1, 1, -1, 0, -1, 1).
%Y A287997 Cf. A259094.
%K A287997 nonn
%O A287997 0,4
%A A287997 _Seiichi Manyama_, Jun 04 2017