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Search: id:A066995
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A066995 Numbers n such that sigma(n) divides n*phi(n). +0
1
1, 6, 15, 28, 84, 95, 140, 182, 190, 248, 270, 287, 308, 357, 420, 455, 477, 496, 570, 672, 744, 819, 840, 910, 1199, 1428, 1488, 1547, 1638, 1722, 1848, 1892, 2295, 2398, 2480, 2660, 2730, 3339, 3417, 3472, 3515, 3596, 3640, 3720, 3780, 3956, 4064, 4095 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A011775.

Adjacent sequences: A066992 A066993 A066994 this_sequence A066996 A066997 A066998

Sequence in context: A134978 A115742 A026102 this_sequence A005286 A025212 A024972

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 27 2002

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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