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 A285737 #3 Apr 25 2017 04:55:48 %S A285737 1,1,8,35,107,421,1312,4474,13622,43977,130473,388025,1146640,3265446, %T A285737 9352424,26033637,72144351,196664848,532768901,1422725368,3768251677, %U A285737 9893857617,25709347054,66367179293,169754459790,431237516979,1086813719408,2722241654623 %N A285737 Expansion of Product_{k>=1} (1 + k^2*x^k)^k. %t A285737 nmax=40; CoefficientList[Series[Product[(1+k^2*x^k)^k, {k, 1, nmax}], {x, 0, nmax}], x] %Y A285737 Cf. A026007, A092484, A266891, A285674. %K A285737 nonn %O A285737 0,3 %A A285737 _Vaclav Kotesovec_, Apr 25 2017