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 A287619 #13 May 28 2017 10:33:52 %S A287619 1,1,0,1,0,0,1,0,0,0,1,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0, %T A287619 0,0,1,0,0,1,1,0,1,0,0,2,0,0,0,1,0,0,0,0,1,1,0,0,0,0,1,0,0,0,0,0,1,1, %U A287619 0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,1,0,0,0 %N A287619 Number of positive odd solutions to equation x^2 + 39y^2 = 8*(n + 5). %H A287619 Seiichi Manyama, <a href="/A287619/b287619.txt">Table of n, a(n) for n = 0..10000</a> %F A287619 Expansion of q^(-5) * (eta(q^2) * eta(q^78))^2 / (eta(q) * eta(q^39)) in powers of q. %Y A287619 Cf. A035162, A128617. %Y A287619 Number of positive odd solutions to equation x^2 + (8*k - 1)*y^2 = 8*(n + k): A033782 (k=3), A033790 (k=4), this sequence (k=5), A033806 (k=6). %K A287619 nonn %O A287619 0,46 %A A287619 _Seiichi Manyama_, May 28 2017