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Search: id:A066994
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A066994 phi(n) divides n*sigma(n). +0
1
1, 2, 3, 4, 6, 8, 12, 14, 15, 16, 18, 20, 21, 24, 26, 27, 30, 32, 35, 36, 39, 40, 42, 48, 54, 55, 56, 60, 63, 64, 70, 72, 78, 80, 84, 88, 96, 98, 104, 105, 108, 110, 114, 116, 120, 125, 126, 128, 135, 140, 144, 147, 150, 155, 156, 160, 162, 165, 168, 189, 190, 192 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A011775.

Sequence in context: A129121 A018556 A018387 this_sequence A029449 A028815 A014423

Adjacent sequences: A066991 A066992 A066993 this_sequence A066995 A066996 A066997

KEYWORD

nonn

AUTHOR

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

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


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