id:A079546 - OEIS Search Results

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sigma(n) - 4*phi(n).

+0
2

-3, -1, -4, -1, -10, 4, -16, -1, -11, 2, -28, 12, -34, 0, -8, -1, -46, 15, -52, 10, -16, -4, -64, 28, -49, -6, -32, 8, -82, 40, -88, -1, -32, -10, -48, 43, -106, -12, -40, 26, -118, 48, -124, 4, -18, -16, -136, 60, -111, 13, -56, 2, -154, 48, -88, 24, -64, -22, -172, 104, -178, -24, -40, -1, -108, 64, -196, -2, -80, 48, -208, 99, -214 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`D. S. Mitrinovic et al., Handbook of Number Theory, Kluwer, p. 88.`
	CROSSREFS	`Cf. A000010, A000203, A068390.` `Sequence in context: A094119 A006022 A078896 this_sequence A014413 A131632 A051348` `Adjacent sequences: A079543 A079544 A079545 this_sequence A079547 A079548 A079549`
	KEYWORD	`sign`
	AUTHOR	`njas, Jan 23 2003`

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Last modified September 8 13:07 EDT 2008. Contains 143486 sequences.

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