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.

A350393 Smallest degree of x with the largest coefficient in Product_{k=1..n} (1 + x^k).

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%I A350393 #9 Dec 30 2021 14:11:36
%S A350393 0,0,0,3,3,5,9,12,18,21,27,33,39,45,52,60,68,76,85,95,105,115,126,138,
%T A350393 150,162,175,189,203,217,232,248,264,280,297,315,333,351,370,390,410,
%U A350393 430,451,473,495,517,540,564,588,612,637,663,689,715,742,770,798,826,855,885,915,945,976
%N A350393 Smallest degree of x with the largest coefficient in Product_{k=1..n} (1 + x^k).
%C A350393 Apparently, a(n) = A011848(n+1) for n >= 10. - _Hugo Pfoertner_, Dec 30 2021
%o A350393 (PARI) { A350393(n) = my(v,t,x='x); v = Vecrev(prod(k=1,n,1+x^k)); vecmax(v,&t); t-1; }
%Y A350393 Cf. A025591 (largest coefficient), A350394 (largest degree of x), A350395, A350396.
%Y A350393 Cf. A011848.
%K A350393 nonn
%O A350393 0,4
%A A350393 _Max Alekseyev_, Dec 28 2021