id:A055705 - OEIS Search Results

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Numbers n such that n | Sigma_11(n) + Phi(n)^11.

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1, 2, 10, 12, 82, 168, 952, 1716, 2732, 2970, 5627, 8185, 11400, 12871, 20104, 20368, 23526, 25749, 70176, 82920 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`sigma_11(n) is the sum of the 11-th powers of the divisors of n.`
	MATHEMATICA	`Do[If[Mod[DivisorSigma[11, n]+EulerPhi[n]^11, n]==0, Print[n]], {n, 1, 10^5}]`
	CROSSREFS	`Sequence in context: A080981 A106455 A055697 this_sequence A095914 A045218 A058216` `Adjacent sequences: A055702 A055703 A055704 this_sequence A055706 A055707 A055708`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2000`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.