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A015819 phi(n + 3) | sigma(n). 0
3, 6, 7, 11, 15, 19, 21, 23, 27, 31, 33, 42, 43, 51, 57, 59, 62, 69, 70, 71, 77, 79, 83, 84, 87, 93, 103, 131, 139, 141, 159, 163, 165, 177, 187, 189, 191, 199, 211, 213, 223, 235, 237, 251, 267, 270, 271, 282, 285, 287, 297, 311, 315, 316, 321, 330 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A084349 A126003 A047556 * A181683 A084125 A053478

Adjacent sequences:  A015816 A015817 A015818 * A015820 A015821 A015822

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 23:58 EST 2012. Contains 206085 sequences.