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 A203706 #7 Jan 14 2013 03:50:31
%S A203706 7,361,56277,84553833,49208814333,169562387740473,208430698274481501,
%T A203706 1281126039821691353577,35292441292705740030129333,
%U A203706 104535840312291670484725915119,3928951393854870421503654084782523
%N A203706 v(n+1)/v(n), where v=A203705.
%C A203706 See A093883 for a discussion and guide to related sequences.
%t A203706 f[j_] := Prime[j]; z = 11;
%t A203706 u := Product[f[j]^2 - f[j] f[k] + f[k]^2, {j, 1, k - 1}]
%t A203706 v[n_] := Product[u, {k, 2, n}]
%t A203706 Table[v[n], {n, 1, z}] (* A203705 *)
%t A203706 Table[v[n + 1]/v[n], {n, 1, z}] (* A203706 *)
%K A203706 nonn
%O A203706 1,1
%A A203706 _Clark Kimberling_, Jan 05 2012