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 A033768 #12 May 29 2017 09:10:36 %S A033768 1,1,0,2,1,0,2,0,0,3,3,0,3,2,0,4,0,0,4,4,0,3,1,0,5,0,0,3,5,0,6,3,0,7, %T A033768 0,0,4,5,0,5,4,0,4,0,0,8,5,0,6,1,0,5,0,0,7,7,0,6,5,0,7,0,0,8,7,0,7,4, %U A033768 0,5,0,0,8,9,0,10,0,0,9,0,0,4,7,0,7,6,0,7 %N A033768 Product t2(q^d); d | 9, where t2 = theta2(q)/(2*q^(1/4)). %C A033768 Also the number of positive odd solutions to equation a^2 + 3*b^2 + 9*c^2 = 8*n + 13. - _Seiichi Manyama_, May 29 2017 %H A033768 Seiichi Manyama, <a href="/A033768/b033768.txt">Table of n, a(n) for n = 0..10000</a> %K A033768 nonn %O A033768 0,4 %A A033768 _N. J. A. Sloane_ %E A033768 More terms from _Seiichi Manyama_, May 22 2017