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.

A369728 Maximal coefficient of (1 - x) * (1 - x^4) * (1 - x^9) * ... * (1 - x^(n^2)).

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%I A369728 #12 Feb 05 2024 03:18:07
%S A369728 1,1,1,1,1,1,1,2,2,3,3,4,6,7,8,11,14,12,12,20,20,28,40,54,59,103,100,
%T A369728 103,129,198,225,295,363,286,433,815,629,796,1236,1363,1258,1723,2143,
%U A369728 3873,4469,6409,6019,9724,12844,18153,20914,23120,28173,49135,46042,78112
%N A369728 Maximal coefficient of (1 - x) * (1 - x^4) * (1 - x^9) * ... * (1 - x^(n^2)).
%H A369728 Vaclav Kotesovec, <a href="/A369728/b369728.txt">Table of n, a(n) for n = 0..1000</a>
%t A369728 Table[Max[CoefficientList[Product[(1 - x^(k^2)), {k, 1, n}], x]], {n, 0, 55}]
%o A369728 (PARI) a(n) = vecmax(Vec(prod(k=1, n, (1-x^k^2)))); \\ _Michel Marcus_, Jan 30 2024
%Y A369728 Cf. A086376, A160235, A276516.
%K A369728 nonn
%O A369728 0,8
%A A369728 _Ilya Gutkovskiy_, Jan 30 2024