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 A145162 #4 Mar 14 2015 12:02:38
%S A145162 1,1,5,51,757,14058,303443,7313188,192096189,5413972155,161972306602,
%T A145162 5104569475976,168500227127871,5800706769824992,207552636468976072,
%U A145162 7697809237540240440,295284422299359774761,11693774821978063710405
%N A145162 G.f. A(x) satisfies A(x/A(x)^4) = 1/(1-x).
%F A145162 G.f. satisfies: 1 - 1/A(x) = x*A( 1 - 1/A(x) )^4.
%F A145162 Self-convolution square yields A145163.
%F A145162 Self-convolution 4th power yields A145164.
%o A145162 (PARI) {a(n)=local(A=1+x+x*O(x^n),B);for(n=0,n,B=serreverse(x/A^4);A=1/(1-B));polcoeff(A,n)}
%Y A145162 Cf. A145163 (A^2), A145164 (A^4); A088713, A145158, A145160, A145165, A145167.
%K A145162 nonn
%O A145162 0,3
%A A145162 _Paul D. Hanna_, Oct 03 2008