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 A203700 #7 Jan 14 2013 03:48:44
%S A203700 3,49,7581,7116564,53384011821,2691938356606629,974129194408249269936,
%T A203700 2421523335222305362745057025,41813273584290579636523734161020881,
%U A203700 4964034317033092618070068384710502904318976
%N A203700 v(n+1)/v(n), where v=A203699.
%C A203700 See A093883 for a discussion and guide to related sequences.
%t A203700 f[j_] := Fibonacci[j + 1]; z = 11;
%t A203700 u[n_] := Product[f[j]^2 - f[j] f[k] + f[k]^2,
%t A203700 {j, 1, k - 1}]
%t A203700 v[n_] := Product[u[n], {k, 2, n}]
%t A203700 Table[v[n], {n, 1, z}] (* A203699 *)
%t A203700 Table[v[n + 1]/v[n], {n, 1, z}] (* A203700 *)
%K A203700 nonn
%O A203700 1,1
%A A203700 _Clark Kimberling_, Jan 04 2012