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 A185627 #5 Mar 30 2012 18:37:26
%S A185627 1,2,11,66,470,3997,40079,466448,6208551,93297013,1565360082,
%T A185627 29047075343,591275224311,13110484254998,314726620750589,
%U A185627 8135993235767295,225426087495479680,6666553071325468948,209645759506867904384,6987310422457948266944,246075579251657940919613
%N A185627 Column 2 of triangle A185624.
%C A185627 Triangle A185624 equals the matrix square of triangle R = A185620, which satisfies: R^3 - R^2 + I = R shifted left one column.
%o A185627 (PARI) {a(n)=local(A=Mat(1), B); for(m=1, n+2, B=A^3-A^2+A^0; A=matrix(m+1, m+1); for(i=1, m+1, for(j=1, i, if(i<2|j==i, A[i, j]=1, if(j==1, A[i, j]=1, A[i, j]=B[i-1, j-1]))))); return((A^2)[n+3, 3])}
%Y A185627 Cf. A185620, A185624, A185625, A185626, A185628.
%K A185627 nonn
%O A185627 0,2
%A A185627 _Paul D. Hanna_, Sep 07 2011