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 A094592 #5 Mar 30 2012 18:39:23 %S A094592 1,3,900,16464000,19061082810000,1438322180987553878016, %T A094592 7234500281404807826660044800000, %U A094592 2467969483765439710971533630106501120000000 %N A094592 a(n)=1/det(M(n)) where M(n) is the n X n matrix with element 1/binomial(n+i+j,n). %o A094592 (PARI) a(n)=1/matdet(matrix(n,n,i,j,1/binomial(n+i+j,n))) %Y A094592 Cf. A062381, A067689. %K A094592 nonn %O A094592 0,2 %A A094592 _Benoit Cloitre_, Jun 05 2004