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A174725 Number of permutation matrices with a positive contribution to the n:th term of the Moebius function. 5
1, 0, 0, 1, 0, 2, 0, 2, 1, 2, 0, 4, 0, 2, 2, 4, 0, 4, 0, 4, 2, 2, 0, 10, 1, 2, 2, 4, 0, 6, 0, 8, 2, 2, 2, 13, 0, 2, 2, 10, 0, 6, 0, 4, 4, 2, 0, 24, 1, 4, 2, 4, 0, 10, 2, 10, 2, 2, 0, 22, 0, 2, 4, 16, 2, 6, 0, 4, 2, 6, 0, 38, 0, 2, 4, 4, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Table of n, a(n) for n=1..77.

FORMULA

a(n)=(Mobius transform of A174725)+(Mobius transform of A174726) [From Mats Granvik, Apr 04 2010]

CROSSREFS

Cf. A074206, A174726, A008683, A051731.

Sequence in context: A144765 A147588 A070824 * A071459 A070288 A165414

Adjacent sequences:  A174722 A174723 A174724 * A174726 A174727 A174728

KEYWORD

nonn

AUTHOR

Mats Granvik, Mar 28 2010

STATUS

approved

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Last modified April 16 21:07 EDT 2014. Contains 240627 sequences.