%I
%S 1,19,36309,20948005533,24919574917127246811,
%T 37290617923502980706808072360699,
%U 314561785062386659424554771537320893773619041293,7385768555672581968376838404040832050105039776598686978378826098029
%N Vandermonde sequence using x^2 + xy + y^2 applied to the first n primes.
%C See A093883 for a discussion and guide to related sequences.
%t f[j_] := Prime[j]; z = 11;
%t u := Product[f[j]^2 + f[j] f[k] + f[k]^2, {j, 1, k  1}]
%t v[n_] := Product[u, {k, 2, n}]
%t Table[v[n], {n, 1, z}] (* A203703 *)
%t Table[v[n + 1]/v[n], {n, 1, z}] (* A203704 *)
%K nonn
%O 1,2
%A _Clark Kimberling_, Jan 05 2012
