id:A079536 - OEIS Search Results

Search: id:A079536

Displaying 1-1 of 1 results found.

page 1

phi(n)*d(n) - sigma(n).

+0
2

0, -1, 0, -1, 2, -4, 4, 1, 5, -2, 8, -4, 10, 0, 8, 9, 14, -3, 16, 6, 16, 4, 20, 4, 29, 6, 32, 16, 26, -8, 28, 33, 32, 10, 48, 17, 34, 12, 40, 38, 38, 0, 40, 36, 66, 16, 44, 36, 69, 27, 56, 46, 50, 24, 88, 72, 64, 22, 56, 24, 58, 24, 112, 97, 108, 16, 64, 66, 80, 48, 68, 93, 70, 30, 116, 76, 144 (list; graph; listen)

	OFFSET	`1,5`
	COMMENT	`It is known that a(n) >= 0 if n is odd`
	REFERENCES	`D. S. Mitrinovic et al., Handbook of Number Theory, Kluwer, p. 10.`
	CROSSREFS	`Cf. A000010, A000005, A000203, A079537.` `Adjacent sequences: A079533 A079534 A079535 this_sequence A079537 A079538 A079539` `Sequence in context: A094225 A057277 A140734 this_sequence A058923 A107500 A108620`
	KEYWORD	`sign`
	AUTHOR	`njas, Jan 23 2003`

page 1

Search completed in 0.005 seconds

Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

AT&T Labs Research