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A023884 Average of divisors except itself is an integer. +0
1
2, 3, 5, 6, 7, 9, 11, 13, 15, 17, 19, 23, 25, 29, 30, 31, 33, 37, 41, 43, 44, 47, 49, 51, 53, 59, 61, 67, 69, 71, 73, 79, 81, 83, 87, 89, 91, 97, 101, 103, 107, 109, 113, 114, 117, 120, 121, 123, 124, 127, 131, 133, 135, 137, 139, 141, 149, 151, 157, 159 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A114148 A106843 A057165 this_sequence A135607 A026453 A026455

Adjacent sequences: A023881 A023882 A023883 this_sequence A023885 A023886 A023887

KEYWORD

nonn

AUTHOR

Olivier Gerard (ogerard(AT)ext.jussieu.fr)

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.


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