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 A061152 #20 Oct 29 2023 09:45:57 %S A061152 1,2,4,11,23,51,107,216,430,839,1614,3046,5684,10465,19046,34321, %T A061152 61225,108245,189779,330093,569916,977139,1664304,2817039,4740000, %U A061152 7930740,13198108,21851556,36001483,59035979,96373100,156644241,253550911 %N A061152 Expansion of Product_{n>=1} (1+x^n)^prime(n). %H A061152 Seiichi Manyama, <a href="/A061152/b061152.txt">Table of n, a(n) for n = 0..10000</a> %F A061152 a(n) = (1/n) * Sum_{k=1..n} a(n-k)*b(k), k>0, a(0)=1, b(k)=Sum_{d|k} (-1)^(k/d+1)*d*prime(d). %Y A061152 Cf. A007441, A007445, A030009, A061150, A061151. %K A061152 easy,nonn %O A061152 0,2 %A A061152 _Vladeta Jovovic_, Apr 16 2001