A339335 Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^3.

1, 3, 3, 6, 3, 12, 3, 13, 6, 12, 3, 30, 3, 12, 12, 24, 3, 30, 3, 30, 12, 12, 3, 69, 6, 12, 13, 30, 3, 57, 3, 42, 12, 12, 12, 87, 3, 12, 12, 69, 3, 57, 3, 30, 30, 12, 3, 141, 6, 30, 12, 30, 3, 69, 12, 69, 12, 12, 3, 165, 3, 12, 30, 73, 12, 57, 3, 30, 12, 57, 3, 216, 3, 12, 30

Offset

1,2

Links

Table of n, a(n) for n=1..75.

Formula

a(p^k) = A022568(k) for prime p.

Crossrefs

Cf. A022568, A045778, A328706, A339318, A339336, A339337, A339338, A339339, A339340, A339341.

Sequence in context: A163163 A323349 A307982 * A120909 A086222 A278663

Adjacent sequences: A339332 A339333 A339334 * A339336 A339337 A339338

Keyword

nonn

Author

Ilya Gutkovskiy, Nov 30 2020

Status

approved