id:A164941 - OEIS Search Results

Search: id:A164941

Displaying 1-1 of 1 results found.

page 1

sum(d|n,phi(n/d)^(d-1)).

+0
1

1, 2, 2, 3, 2, 5, 2, 5, 6, 7, 2, 17, 2, 9, 34, 15, 2, 45, 2, 87, 102, 13, 2, 191, 258, 15, 294, 289, 2, 1579, 2, 203, 1126, 19, 5394, 2577, 2, 21, 4242, 17227, 2, 16083, 2, 2037, 83282, 25, 2, 36107, 46658, 262423, 65794, 5839, 2, 139161, 1058578, 292455 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`G.f. sum(k>=1,x^k/(1-phi(k)*x^k).`
	CROSSREFS	`Cf. A000010, A087909.` `Sequence in context: A073023 A007012 A062830 this_sequence A115119 A066656 A164896` `Adjacent sequences: A164938 A164939 A164940 this_sequence A164942 A164943 A164944`
	KEYWORD	`nonn`
	AUTHOR	`Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Sep 01 2009`

page 1

Search completed in 0.002 seconds

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research