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 A145164 #4 Mar 14 2015 11:50:43
%S A145164 1,4,26,268,3851,69308,1459552,34513468,893162569,24873809192,
%T A145164 736914860764,23034718900652,755096654861093,25838920473462512,
%U A145164 919688365896843632,33951797935609852260,1296987353334993492885
%N A145164 G.f. A(x) satisfies A(x/A(x)) = 1/(1-x)^4.
%F A145164 Self-convolution 4th power of A145162.
%F A145164 Self-convolution square of A145163.
%o A145164 (PARI) {a(n)=local(A=1+x+x*O(x^n),B);for(n=0,n,B=serreverse(x/A);A=1/(1-B)^4);polcoeff(A,n)}
%Y A145164 Cf. A145162, A145163.
%K A145164 nonn
%O A145164 0,2
%A A145164 _Paul D. Hanna_, Oct 03 2008