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A323885 Sum of A001511 and its Dirichlet inverse. 7
2, 0, 0, 4, 0, 4, 0, 4, 1, 4, 0, 2, 0, 4, 2, 5, 0, 2, 0, 2, 2, 4, 0, 4, 1, 4, 1, 2, 0, 0, 0, 6, 2, 4, 2, 3, 0, 4, 2, 4, 0, 0, 0, 2, 1, 4, 0, 5, 1, 2, 2, 2, 0, 2, 2, 4, 2, 4, 0, 4, 0, 4, 1, 7, 2, 0, 0, 2, 2, 0, 0, 4, 0, 4, 1, 2, 2, 0, 0, 5, 1, 4, 0, 4, 2, 4, 2, 4, 0, 2, 2, 2, 2, 4, 2, 6, 0, 2, 1, 3, 0, 0, 0, 4, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..65537

FORMULA

a(n) = A001511(n) + A092673(n).

PROG

(PARI)

A001511(n) = (1+valuation(n, 2));

A092673(n) = (moebius(n)-if(n%2, 0, moebius(n/2)));

A323885(n) = (A001511(n)+A092673(n));

CROSSREFS

Cf. A001511, A092673.

Cf. also A318449, A318450, A323365, A323882, A323884, A323887, A323896.

Sequence in context: A084658 A326404 A307510 * A137513 A221419 A140668

Adjacent sequences:  A323882 A323883 A323884 * A323886 A323887 A323888

KEYWORD

nonn

AUTHOR

Antti Karttunen, Feb 08 2019

STATUS

approved

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Last modified January 25 01:42 EST 2020. Contains 331229 sequences. (Running on oeis4.)