id:A074627 - OEIS Search Results

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Numbers n such that sigma[n] is divisible by 6.

+0
6

5, 6, 10, 11, 14, 15, 17, 20, 22, 23, 24, 26, 29, 30, 33, 34, 35, 38, 40, 41, 42, 44, 45, 46, 47, 51, 53, 54, 55, 56, 58, 59, 60, 62, 65, 66, 68, 69, 70, 71, 74, 77, 78, 80, 82, 83, 85, 86, 87, 88, 89, 90, 92, 94, 95, 96, 99, 101, 102, 104, 105, 106, 107, 110, 113, 114, 115 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`n=10:sigma[10]=1+2+5+10=18=3.6`
	FORMULA	`Mod[A000203(n), 6]=0`
	CROSSREFS	`Cf. A000203, A072862, A074384, A074628-A074630.` `Sequence in context: A019205 A042958 A163903 this_sequence A067612 A064957 A008851` `Adjacent sequences: A074624 A074625 A074626 this_sequence A074628 A074629 A074630`
	KEYWORD	`easy,nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Aug 26 2002`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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