id:A003978 - OEIS Search Results

Search: id:A003978

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Moebius transform of A003964.

+0
1

1, 1, 2, 2, 4, 2, 6, 4, 6, 4, 10, 4, 14, 6, 8, 8, 21, 6, 29, 8, 12, 10, 41, 8, 20, 14, 18, 12, 55, 8, 76, 16, 20, 21, 24, 12, 100, 29, 28, 16, 134, 12, 175, 20, 24, 41, 230, 16, 42, 20, 42, 28, 296, 18, 40, 24, 58, 55, 384, 16, 489, 76, 36, 32, 56, 20, 626, 42, 82, 24, 791, 24 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`Multiplicative with a(p^e) = (q-1)q^(e-1) were q = partition(pi(p)+1) = A000041(A000720(p)+1). - David W. Wilson, Sep 01, 2001`
	CROSSREFS	`Sequence in context: A080737 A152455 A000010 this_sequence A122645 A122646 A028496` `Adjacent sequences: A003975 A003976 A003977 this_sequence A003979 A003980 A003981`
	KEYWORD	`nonn,mult`
	AUTHOR	`Marc LeBrun (mlb(AT)well.com)`
	EXTENSIONS	`More terms from David W. Wilson (davidwwilson(AT)comcast.net), Aug 29 2001`

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.

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