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 A111562 #3 Mar 30 2012 18:36:50
%S A111562 0,3,10,60,470,4344,45320,521200,6513280,87613440,1260188800,
%T A111562 19286781440,312884243840,5363632995840,96904980170240,
%U A111562 1840977689943040,36700487712701440,766296476640215040,16728728381231472640
%N A111562 Column 2 of A111560, which is the matrix log of A111553.
%o A111562 (PARI) {a(n)=local(M=matrix(n+3,n+3,m,j,if(m==j,1,if(m==j+1,-m+1, -(m-j-1)*polcoeff(log(sum(i=0,m,(i+3)!/3!*x^i)),m-j-1))))); if(n<0,0,sum(i=1,#M,(M^0-M)^i/i)[n+3,3])}
%Y A111562 Cf. A111560, A111553.
%K A111562 nonn
%O A111562 0,2
%A A111562 _Paul D. Hanna_, Aug 07 2005