A056012 - OEIS

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A056012

Numbers n such that n | Sigma(n) + d(n) + Phi(n).

1, 2, 4, 6, 90, 408, 586, 2200352, 11524640 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	MATHEMATICA	`Do[If[Mod[DivisorSigma[1, n]+DivisorSigma[0, n]+EulerPhi[n], n]==0, Print[n]], {n, 1, 10^7}]`
	CROSSREFS	`Sequence in context: A066220 A009257 A098757 * A066719 A033319 A185151` `Adjacent sequences: A056009 A056010 A056011 * A056013 A056014 A056015`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 24 2000`

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Last modified February 15 08:39 EST 2012. Contains 205730 sequences.