A344251 Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(7^(k-1)).

1, 7, 49, 371, 2401, 17150, 117649, 826028, 5766026, 40370414, 282475249, 1977462571, 13841287201, 96889833950, 678223190498, 4747567343554, 33232930569601, 232630555172932, 1628413597910449, 11398895468739163, 79792266303376802, 558545866060610750

Offset

1,2

Links

Table of n, a(n) for n=1..22.

Crossrefs

Cf. A001055, A050367, A329800, A344247, A344248, A344249, A344250, A344252, A344253.

Sequence in context: A233658 A344270 A144820 * A333515 A324353 A366432

Adjacent sequences: A344248 A344249 A344250 * A344252 A344253 A344254

Keyword

nonn

Author

Ilya Gutkovskiy, May 12 2021

Status

approved