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A162510 Dirichlet inverse of A076479 3
1, 1, 1, 2, 1, 1, 1, 4, 2, 1, 1, 2, 1, 1, 1, 8, 1, 2, 1, 2, 1, 1, 1, 4, 2, 1, 4, 2, 1, 1, 1, 16, 1, 1, 1, 4, 1, 1, 1, 4, 1, 1, 1, 2, 2, 1, 1, 8, 2, 2, 1, 2, 1, 4, 1, 4, 1, 1, 1, 2, 1, 1, 2, 32, 1, 1, 1, 2, 1, 1, 1, 8, 1, 1, 2, 2, 1, 1, 1, 8, 8, 1, 1, 2, 1, 1, 1, 4, 1, 2, 1, 2, 1, 1, 1, 16, 1, 2, 2, 4, 1, 1, 1, 4, 1 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

COMMENTS

Apart from signs, this sequence is identical to A162512.

LINKS

G. P. Michon, Multiplicative functions

FORMULA

Multiplicative function with a(p^e)=2^(e-1) for any prime p and any positive exponent e.

EXAMPLE

a(n)=n/2 when n is a power of 2 (A000079).

a(n)=1 when n is a squarefree number (A005117).

CROSSREFS

Cf. A076479, A162511, A162512

Sequence in context: A173398 A104404 A162512 * A181876 A131505 A100092

Adjacent sequences:  A162507 A162508 A162509 * A162511 A162512 A162513

KEYWORD

easy,mult,nonn

AUTHOR

Gerard P. Michon (g.michon(AT)att.net), Jul 05 2009

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Last modified February 13 08:12 EST 2012. Contains 205451 sequences.