A349925 Dirichlet g.f.: Product_{k>=2} (1 - 2 * k^(-s)).

1, -2, -2, -2, -2, 2, -2, 2, -2, 2, -2, 6, -2, 2, 2, 2, -2, 6, -2, 6, 2, 2, -2, 2, -2, 2, 2, 6, -2, 2, -2, 6, 2, 2, 2, 2, -2, 2, 2, 2, -2, 2, -2, 6, 6, 2, -2, -2, -2, 6, 2, 6, -2, 2, 2, 2, 2, 2, -2, -6, -2, 2, 6, -2, 2, 2, -2, 6, 2, 2, -2, -6, -2, 2, 6

Offset

1,2

Links

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

Crossrefs

Cf. A070877, A114592, A226177, A339701, A349926.

Sequence in context: A350765 A103378 A103663 * A339171 A083311 A104230

Adjacent sequences: A349922 A349923 A349924 * A349926 A349927 A349928

Keyword

sign

Author

Ilya Gutkovskiy, Dec 05 2021

Status

approved