A339322 Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^7.

1, 7, 7, 35, 7, 56, 7, 140, 35, 56, 7, 301, 7, 56, 56, 490, 7, 301, 7, 301, 56, 56, 7, 1281, 35, 56, 140, 301, 7, 497, 7, 1547, 56, 56, 56, 1701, 7, 56, 56, 1281, 7, 497, 7, 301, 301, 56, 7, 4711, 35, 301, 56, 301, 7, 1281, 56, 1281, 56, 56, 7, 2849, 7, 56, 301, 4522

Offset

1,2

Comments

Number of factorizations of n into factors (greater than 1) of 7 kinds.

Links

Table of n, a(n) for n=1..64.

Formula

a(p^k) = A023006(k) for prime p.

Crossrefs

Cf. A001055, A023006, A301830, A339318, A339319, A339320, A339321, A339323, A339324.

Sequence in context: A286830 A286862 A290683 * A121210 A241866 A243123

Adjacent sequences: A339319 A339320 A339321 * A339323 A339324 A339325

Keyword

nonn

Author

Ilya Gutkovskiy, Nov 30 2020

Status

approved