A079540 - OEIS

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A079540

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

0, 0, 0, 1, 0, 6, 0, 5, 2, 10, 0, 24, 0, 14, 12, 17, 0, 39, 0, 38, 16, 22, 0, 76, 4, 26, 14, 52, 0, 112, 0, 49, 24, 34, 20, 137, 0, 38, 28, 118, 0, 156, 0, 80, 72, 46, 0, 212, 6, 107, 36, 94, 0, 186, 28, 160, 40, 58, 0, 376, 0, 62, 94, 129, 32, 244, 0, 122, 48, 248, 0, 405, 0, 74, 126 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,6`
	COMMENTS	`It is known that a(n) >= 0 for n >= 1.`
	REFERENCES	`D. S. Mitrinovic et al., Handbook of Number Theory, Kluwer, p. 10.`
	CROSSREFS	`Cf. A000010, A000005, A000203.` `Sequence in context: A202394 A202954 A021627 * A011492 A131329 A165954` `Adjacent sequences: A079537 A079538 A079539 * A079541 A079542 A079543`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jan 23 2003`

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Last modified February 16 10:23 EST 2012. Contains 205904 sequences.