id:A003977 - OEIS Search Results

Search: id:A003977

Displaying 1-1 of 1 results found.

page 1

Inverse Moebius transform of A003963.

+0
1

1, 2, 3, 3, 4, 6, 5, 4, 7, 8, 6, 9, 7, 10, 12, 5, 8, 14, 9, 12, 15, 12, 10, 12, 13, 14, 15, 15, 11, 24, 12, 6, 18, 16, 20, 21, 13, 18, 21, 16, 14, 30, 15, 18, 28, 20, 16, 15, 21, 26, 24, 21, 17, 30, 24, 20, 27, 22, 18, 36, 19, 24, 35, 7, 28, 36, 20, 24, 30, 40, 21, 28, 22, 26 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Multiplicative with a(p^e) = e+1 if p = 2; (q^(e+1)-1)/(q-1) if p > 2; where q = pi(p) = A000720(p). - David W. Wilson, Sep 01, 2001`
	CROSSREFS	`Sequence in context: A031501 A059442 A014410 this_sequence A003971 A131187 A099072` `Adjacent sequences: A003974 A003975 A003976 this_sequence A003978 A003979 A003980`
	KEYWORD	`nonn,easy,mult`
	AUTHOR	`Marc LeBrun (mlb(AT)well.com)`
	EXTENSIONS	`More terms from David W. Wilson (davidwwilson(AT)comcast.net), Aug 29 2001`

page 1

Search completed in 0.002 seconds

Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research