id:A062955 - OEIS Search Results

Search: id:A062955

Displaying 1-1 of 1 results found.

page 1

Phi(n^2)-phi(n).

+0
1

0, 1, 4, 6, 16, 10, 36, 28, 48, 36, 100, 44, 144, 78, 112, 120, 256, 102, 324, 152, 240, 210, 484, 184, 480, 300, 468, 324, 784, 232, 900, 496, 640, 528, 816, 420, 1296, 666, 912, 624, 1600, 492, 1764, 860, 1056, 990, 2116, 752, 2016, 980, 1600, 1224, 2704 (list; graph; listen)

	OFFSET	`1,3`
	PROGRAM	`(PARI) a(n)=if(n<1, 0, eulerphi(n^2)-eulerphi(n))`
	CROSSREFS	`Sequence in context: A123667 A129597 A088843 this_sequence A133092 A056222 A138624` `Adjacent sequences: A062952 A062953 A062954 this_sequence A062956 A062957 A062958`
	KEYWORD	`nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jul 22 2001`

page 1

Search completed in 0.002 seconds

Last modified December 4 15:47 EST 2008. Contains 151279 sequences.

AT&T Labs Research