id:A067697 - OEIS Search Results

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Numbers n such that prime(n)==+1 (mod sigma(n) ).

+0
2

1, 3, 6, 7, 58, 79, 191, 339, 443, 516, 1185, 6275, 20456, 21471, 27341, 40123, 40143, 49678, 50684, 108977, 136023, 251789, 432185, 705256, 2582498, 2879786, 3142462, 3556591 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A068423 A019210 A019121 this_sequence A137128 A133442 A133193` `Adjacent sequences: A067694 A067695 A067696 this_sequence A067698 A067699 A067700`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 05 2002`
	EXTENSIONS	`More terms from Labos E. (labos(AT)ana.sote.hu), May 15 2002`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

AT&T Labs Research