id:A066930 - OEIS Search Results

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phi(sigma(n)) divides sigma(phi(n)).

+0
2

1, 7, 9, 29, 71, 97, 109, 121, 139, 142, 175, 183, 194, 215, 225, 242, 244, 261, 278, 311, 344, 349, 355, 430, 497, 509, 516, 533, 556, 571, 605, 622, 631, 647, 673, 709, 729, 791, 817, 859, 911, 923, 1021, 1066, 1112, 1119, 1142, 1207, 1243, 1262, 1277 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A033632.` `Sequence in context: A032617 A113124 A030404 this_sequence A154260 A085903 A147248` `Adjacent sequences: A066927 A066928 A066929 this_sequence A066931 A066932 A066933`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 26 2002`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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