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 A090361 #6 Nov 19 2014 10:05:55 %S A090361 1,2,12,130,2075,44196,1183492,38254712,1449394470,62974889140, %T A090361 3085705347128,168283580164356,10107641429213386,662869582493716400, %U A090361 47124829795282593000,3609674673146922124600,296355186635275737517175 %N A090361 Satisfies A^2 = BINOMIAL(A090358^3), where A090358^6 = BINOMIAL(A090358^5). %C A090361 See comments in A090358. %H A090361 Vaclav Kotesovec, <a href="/A090361/b090361.txt">Table of n, a(n) for n = 0..320</a> %F A090361 a(n) ~ (n-1)! / (50/3 * (log(6/5))^(n+1)). - _Vaclav Kotesovec_, Nov 19 2014 %o A090361 (PARI) {a(n)=local(A); if(n<1,0,A=1+x+x*O(x^n); for(k=1,n,B=subst(A^5,x,x/(1-x))/(1-x)+x*O(x^n); A=A-A^6+B);B=subst(A^3,x,x/(1-x))/(1-x)+x*O(x^n); polcoeff(B^(1/2),n,x))} %Y A090361 Cf. A090358. %K A090361 nonn %O A090361 0,2 %A A090361 _Paul D. Hanna_, Nov 26 2003