id:A072548 - OEIS Search Results

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Least nonnegative remainder of division Sigma[n]/PrimePi[n].

+0
3

0, 0, 1, 0, 0, 0, 3, 1, 2, 2, 3, 2, 0, 0, 1, 4, 4, 4, 2, 0, 4, 6, 6, 4, 6, 4, 2, 0, 2, 10, 8, 4, 10, 4, 3, 2, 0, 8, 6, 3, 5, 2, 0, 8, 2, 3, 4, 12, 3, 12, 8, 6, 8, 8, 8, 0, 10, 9, 15, 8, 6, 14, 1, 12, 0, 11, 12, 1, 11, 12, 15, 11, 9, 19, 14, 12, 0, 14, 10, 11, 16, 15, 17, 16, 17, 5, 19, 18, 18 (list; graph; listen)

	OFFSET	`2,7`
	FORMULA	`a(n)=Mod[A000203(n), A000720(n)]`
	MATHEMATICA	`Table[Mod[DivisorSigma[1, w], PrimePi[w]], {w, 1, 128}]`
	CROSSREFS	`Cf. A000203, A000720, A073321-A073324.` `Sequence in context: A085247 A003016 A108121 this_sequence A079399 A092155 A029336` `Adjacent sequences: A072545 A072546 A072547 this_sequence A072549 A072550 A072551`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Aug 05 2002`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

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