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 A203744 #7 Jan 14 2013 04:48:38
%S A203744 1,1,9,3087,491453487,199355231015744076,
%T A203744 1670853975432258811676271416172,
%U A203744 1893588915901757181126922024000776555730414763148,2071486075345864360727487613123282727407169939419132023198357982044106944
%N A203744 Vandermonde sequence using x^2 - xy + y^2 applied to the first n Fibonacci numbers, A000045.
%C A203744 See A093883 for a discussion and guide to related sequences.
%t A203744 f[j_] := Fibonacci[j]; z = 11;
%t A203744 u := Product[f[j]^2 - f[j] f[k] + f[k]^2, {j, 1, k - 1}]
%t A203744 v[n_] := Product[u, {k, 2, n}]
%t A203744 Table[v[n], {n, 1, z}] (* A203744 *)
%t A203744 Table[v[n + 1]/v[n], {n, 1, z}] (* A203745 *)
%K A203744 nonn
%O A203744 1,3
%A A203744 _Clark Kimberling_, Jan 05 2012