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.
%I A316150 #16 Jun 25 2018 12:47:13
%S A316150 1,4,5,5,-6,-12,-4,34,56,1,-158,-267,56,874,1234,-691,-4966,-5796,
%T A316150 6132,28411,26932,-46687,-162814,-117746,332350,929348,454328,
%U A316150 -2278344,-5259270,-1250947,15199212,29375294,-1279006,-99217863,-161079712,60427836,635914664
%N A316150 Inverse Weigh transform of n^2.
%H A316150 N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>
%F A316150 Product_{k>=1} (1+x^k)^a(k) = 1 + Sum_{k>=1} A000290(k)*x^k.
%e A316150 (1+x)*(1+x^2)^4*(1+x^3)^5*(1+x^4)^5*(1+x^5)^(-6)* ... = 1 + x + 4*x^2 + 9*x^3 + 16*x^4 + 25*x^5 + ... .
%Y A316150 Cf. A000290, A253909, A306152, A316152.
%K A316150 sign
%O A316150 1,2
%A A316150 _Seiichi Manyama_, Jun 25 2018