id:A015761 - OEIS Search Results

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Phi(n) | Sigma_3(n).

+0
2

1, 2, 3, 6, 12, 14, 15, 30, 35, 38, 42, 54, 56, 70, 78, 87, 95, 105, 114, 126, 135, 140, 147, 168, 174, 182, 190, 209, 210, 215, 216, 222, 248, 258, 264, 270, 285, 294, 297, 315, 357, 418, 420, 430, 455, 456, 540, 546, 551, 570, 594, 609, 616, 627 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`sigma_3(n) is the sum of the cubes of the divisors of n (A001158).`
	CROSSREFS	`Sequence in context: A084417 A015774 A015767 this_sequence A015763 A015769 A015765` `Adjacent sequences: A015758 A015759 A015760 this_sequence A015762 A015763 A015764`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com)`

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Last modified July 25 02:12 EDT 2008. Contains 142294 sequences.

AT&T Labs Research