A003980 - OEIS

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A003980

Moebius transform of A003965.

1, 1, 2, 2, 4, 2, 7, 4, 6, 4, 12, 4, 20, 7, 8, 8, 33, 6, 54, 8, 14, 12, 88, 8, 20, 20, 18, 14, 143, 8, 232, 16, 24, 33, 28, 12, 376, 54, 40, 16, 609, 14, 986, 24, 24, 88, 1596, 16, 56, 20, 66, 40, 2583, 18, 48, 28, 108, 143, 4180, 16, 6764, 232, 42, 32, 80, 24, 10945, 66 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,3`
	LINKS	`N. J. A. Sloane, Transforms`
	FORMULA	`Multiplicative with a(p^e) = (q-1)q^(e-1) were q = Fib(pi(p)+1) = A000045(A000720(p)+2). - David W. Wilson, Sep 01, 2001`
	CROSSREFS	`Sequence in context: A156995 A057767 A122977 * A132801 A072478 A190014` `Adjacent sequences: A003977 A003978 A003979 * A003981 A003982 A003983`
	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 February 13 13:13 EST 2012. Contains 205482 sequences.