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 A145161 #2 Mar 30 2012 18:37:15
%S A145161 1,3,15,118,1287,17547,279742,5006016,98012094,2064544861,46251043536,
%T A145161 1092948858498,27078465176915,700154717998512,18825830520559743,
%U A145161 524889708138232101,15140268414007624623,450944670503507069127
%N A145161 G.f. A(x) satisfies A(x/A(x)) = 1/(1-x)^3.
%F A145161 Self-convolution cube of A145160.
%o A145161 (PARI) {a(n)=local(A=1+x+x*O(x^n));for(n=0,n,B=serreverse(x/A);A=1/(1-B)^3);polcoeff(A,n)}
%Y A145161 Cf. A145160.
%K A145161 nonn
%O A145161 0,2
%A A145161 _Paul D. Hanna_, Oct 03 2008