1,2
Each term divides its successor, as in A203425.
Table of n, a(n) for n=1..10.
f[j_] := 1/(2 j); z = 16;
v[n_] := Product[Product[f[k] - f[j], {j, 1, k - 1}], {k, 2, n}]
1/Table[v[n], {n, 1, z}] (* A203424 *)
Table[v[n]/(4 v[n + 1]), {n, 1, z - 1}] (* A203425 *)
Cf. A203425.
Sequence in context: A069135 A186081 A138176 * A055209 A030450 A041629
Adjacent sequences: A203421 A203422 A203423 * A203425 A203426 A203427
sign
Clark Kimberling, Jan 02 2012
approved
