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

Author

Ilya Gutkovskiy, Dec 05 2021

Keywords

• sign

Crossrefs

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