A328710 Dirichlet g.f.: (1/2) * Product_{i>=1, j>=1} (1 + (i*j)^(-s)).
1, 2, 2, 4, 2, 8, 2, 10, 4, 8, 2, 22, 2, 8, 8, 19, 2, 22, 2, 22, 8, 8, 2, 56, 4, 8, 10, 22, 2, 40, 2, 38, 8, 8, 8, 71, 2, 8, 8, 56, 2, 40, 2, 22, 22, 8, 2, 128, 4, 22, 8, 22, 2, 56, 8, 56, 8, 8, 2, 132, 2, 8, 22, 73, 8, 40, 2, 22, 8, 40, 2, 202, 2, 8, 22, 22, 8, 40, 2, 128
Offset: 1
Keywords
Formula
Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^tau(k), where tau = A000005.