A333831 Dirichlet inverse of Mertens function (A002321).

1, 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 4, 3, 2, 5, 2, 2, 4, 3, 7, 6, 1, 2, 8, 6, 1, 6, 5, 2, 9, 4, 8, 7, 2, 9, 13, 2, 1, 6, 10, 1, 10, 3, 7, 19, 2, 3, 16, 7, 7, 6, 8, 3, 14, 10, 14, 7, 0, 1, 31, 2, 1, 19, 8, 12, 7, 2, 6, 5, 14, 3, 35, 4, 3, 23, 9, 10, 11, 4, 24

Offset

1,5

Links

Florian Lang, Table of n, a(n) for n = 1..9998

Prog

(PARI) seq(n)={dirdiv(vector(n, n, n==1), vector(n, n, sum(k=1, n, moebius(k))))} \\ Andrew Howroyd, Apr 07 2020

Crossrefs

Cf. A002321.

Sequence in context: A290399 A109400 A370577 * A202389 A210868 A176853

Adjacent sequences: A333828 A333829 A333830 * A333832 A333833 A333834

Keyword

sign,easy

Author

Florian Lang, Apr 07 2020

Status

approved