id:A015821 - OEIS Search Results

Search: id:A015821

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Numbers n such that phi(n + 5) | sigma(n).

+0
1

3, 7, 15, 22, 23, 30, 35, 44, 47, 51, 56, 71, 88, 95, 135, 140, 153, 155, 167, 207, 239, 263, 280, 310, 311, 368, 383, 385, 395, 431, 503, 506, 599, 635, 646, 647, 658, 719, 839, 887, 911, 920, 995, 1012, 1023, 1045, 1078, 1080, 1103, 1131 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A121712 A139208 A046932 this_sequence A091711 A103007 A077790` `Adjacent sequences: A015818 A015819 A015820 this_sequence A015822 A015823 A015824`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com)`

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.

AT&T Labs Research