id:A003962 - OEIS Search Results

Search: id:A003962

Displaying 1-1 of 1 results found.

page 1

Fully multiplicative with a(p(k)) = [ (p(k+1)+1)/2 ] for k-th prime p(k).

+0
3

1, 2, 3, 4, 4, 6, 6, 8, 9, 8, 7, 12, 9, 12, 12, 16, 10, 18, 12, 16, 18, 14, 15, 24, 16, 18, 27, 24, 16, 24, 19, 32, 21, 20, 24, 36, 21, 24, 27, 32, 22, 36, 24, 28, 36, 30, 27, 48, 36, 32, 30, 36, 30, 54, 28, 48, 36, 32, 31, 48, 34, 38, 54, 64, 36, 42, 36, 40, 45, 48, 37, 72, 40, 42, 48, 48 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Multiplicative with a(p^e) = ((A000040(A000720(p)+1)+1)/2)^e. - David W. Wilson (davidwwilson(AT)comcast.net), Aug 01, 2001.`
	CROSSREFS	`Adjacent sequences: A003959 A003960 A003961 this_sequence A003963 A003964 A003965` `Sequence in context: A092988 A138768 A111939 this_sequence A102443 A102441 A102440`
	KEYWORD	`nonn,mult`
	AUTHOR	`Marc LeBrun (mlb(AT)well.com)`
	EXTENSIONS	`Corrected and extended by David W. Wilson (davidwwilson(AT)comcast.net).`

page 1

Search completed in 0.002 seconds

Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

AT&T Labs Research