1,1
See A093883 for a discussion and guide to related sequences.
Table of n, a(n) for n=1..11.
f[j_] := 2 j - 1; z = 12;
v[n_] := Product[Product[f[j]^2 + f[j] f[k] + f[k]^2,
{j, 1, k - 1}], {k, 2, n}]
Table[v[n], {n, 1, z}] (* A203514 *)
Table[v[n + 1]/v[n], {n, 1, z}] (* A203515 *)
Sequence in context: A185073 A185193 A066457 * A166929 A079917 A028450
Adjacent sequences: A203512 A203513 A203514 * A203516 A203517 A203518
nonn
Clark Kimberling, Jan 04 2012
approved
