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Search: id:A015814
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A015814 phi(n + 1) = sigma(n). +0
1
1, 3, 5, 6, 7, 11, 14, 15, 17, 23, 24, 28, 31, 33, 35, 47, 51, 53, 54, 55, 69, 71, 77, 87, 94, 107, 110, 127, 155, 170, 174, 191, 195, 209, 254, 261, 265, 285, 315, 322, 383, 385, 395, 399, 406, 423, 429, 431, 510, 564, 609, 636, 644, 647, 649, 672, 713 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Sequence in context: A003601 A072600 A047582 this_sequence A053272 A138927 A030333

Adjacent sequences: A015811 A015812 A015813 this_sequence A015815 A015816 A015817

KEYWORD

nonn

AUTHOR

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

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Last modified July 4 13:19 EDT 2008. Contains 140839 sequences.


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