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 A203760 #8 Jan 09 2013 03:56:13
%S A203760 3,49,588,61009,1647243,473323536,22719529728,13058834917401,
%T A203760 979412618805075,949149594515775744,102508156207703780352,
%U A203760 150861990726485797358601,22176712636793412211714347
%N A203760 v(n+1)/v(n), where v=A203759.
%C A203760 See A093883 for a discussion and guide to related sequences.
%t A203760 f[j_] := Floor[(j + 1)/2]; z = 13;
%t A203760 u := Product[f[j]^2 + f[j] f[k] + f[k]^2, {j, 1, k - 1}]
%t A203760 v[n_] := Product[u, {k, 2, n}]
%t A203760 Table[v[n], {n, 1, z}] (* A203759 *)
%t A203760 Table[v[n + 1]/v[n], {n, 1, z}] (* A203760 *)
%K A203760 nonn
%O A203760 1,1
%A A203760 _Clark Kimberling_, Jan 05 2012