id:A015817 - OEIS Search Results

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phi(n + 1) | sigma(n) for n congruent to 1 (mod 3).

+0
1

1, 7, 28, 31, 55, 94, 127, 265, 322, 385, 406, 649, 1504, 1624, 1990, 2488, 3115, 3154, 4402, 5269, 6265, 6460, 7258, 7384, 7579, 8191, 8455, 8995, 9229, 9799, 11815, 12466, 13114, 13243, 14146, 15385, 16309, 16849, 17731, 20995, 23359 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A035081 A003148 A033910 this_sequence A103253 A139607 A068206` `Adjacent sequences: A015814 A015815 A015816 this_sequence A015818 A015819 A015820`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com)`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research