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A015812 Composite numbers n such that phi(n) + 2 | sigma(n). +0
1
6, 10, 14, 22, 24, 26, 27, 28, 34, 38, 40, 45, 46, 54, 58, 62, 74, 82, 86, 90, 94, 106, 118, 122, 132, 134, 142, 146, 158, 166, 178, 184, 194, 202, 206, 214, 218, 226, 254, 260, 262, 274, 278, 298, 302, 314, 326, 334, 346, 358, 362, 374, 382, 386 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Sequence in context: A064899 A068014 A057885 this_sequence A080784 A072978 A055163

Adjacent sequences: A015809 A015810 A015811 this_sequence A015813 A015814 A015815

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com)

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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.


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