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 A203746 #8 Jan 14 2013 04:49:06
%S A203746 1,2,50,65000,43324840000,80869630778404000000,
%T A203746 3253172252849127885819732800000000,
%U A203746 18269693129769849495456863041081197822240000000000000,100765626147569183251176439308305100821490845652979377896592000000000000000000
%N A203746 Vandermonde sequence using x^2 + y^2 applied to the Fibonacci numbers (1,2,3,5,...,F(n+1)), where F=A000045.
%C A203746 See A093883 for a discussion and guide to related sequences.
%t A203746 f[j_] := Fibonacci[j]; z = 11;
%t A203746 u := Product[f[j]^2 + f[k]^2, {j, 1, k - 1}]
%t A203746 v[n_] := Product[u, {k, 2, n}]
%t A203746 Table[v[n], {n, 1, z}] (* A203746 *)
%t A203746 Table[v[n + 1]/v[n], {n, 1, z}] (* A203747 *)
%K A203746 nonn
%O A203746 1,2
%A A203746 _Clark Kimberling_, Jan 05 2012