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A069166 Numbers n such that n*sum(d|n,1/sigma(d)) is an integer. +0
1
1, 6, 14, 40, 120, 244, 280, 440, 494, 680, 920, 1220, 2040, 2840, 2968, 3480, 6360, 9880, 10680, 16376, 20618, 25160, 32280, 34720, 40136, 40280, 42136, 45560, 45994, 46280, 85880, 91160, 120408 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A053560 A119874 A134259 this_sequence A015892 A093369 A130443

Adjacent sequences: A069163 A069164 A069165 this_sequence A069167 A069168 A069169

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 09 2002

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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