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 A180723 #7 Mar 30 2012 18:40:58 %S A180723 1,1,2,3,15,176,526823,476715857290,26041797385576000582369625213281, %T A180723 6351070249807989850498698507055571178433293739297826225785529996796553557739865 %N A180723 p(p(p(n))), p = partition numbers A000041. %F A180723 a(n) = p(p(p(n))), where p = partition numbers A000041. %F A180723 a(n) = A000041(A000041(A000041(n))) = A000041(A058699(n)). %Y A180723 Cf. A000041 (p(n)), A058699 (p(p(n))). %K A180723 nonn %O A180723 0,3 %A A180723 _Jonathan Vos Post_, Jan 21 2011