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 A088704 #6 Mar 30 2012 18:36:39 %S A088704 1,1,3,7,23,71,231,743,2431,7999,26563,88683,297551,1002015,3385175, %T A088704 11466887,38933183,132454719,451423203,1540920939,5267257103, %U A088704 18027478847,61770328227,211872505243,727411948351,2499560376671 %N A088704 a(n) equals the coefficient of x^n in f(x)^n where f(x)=1+sum(n>=0,x^(2^n)). %F A088704 G.f.: A(x) = 1 + x*d/dx[log(g(x))], where g(x)=sum(n>=0, A075864(n)*x^n) and g(x)=f(x*g(x)), given f(x)=1+sum(n>=0, x^(2^n)). %Y A088704 Cf. A075864. %K A088704 nonn %O A088704 0,3 %A A088704 _Paul D. Hanna_, Oct 10 2003