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A015850 phi(n + 12) | sigma(n) for n not congruent to 0 (mod 3). +0
1
14, 23, 38, 109, 248, 280, 380, 406, 506, 1178, 1288, 1364, 1504, 1528, 1798, 1976, 1978, 1990, 2408, 2528, 2698, 3160, 3230, 4318, 4888, 6106, 6904, 7160, 7192, 7366, 8234, 8648, 8804, 8920, 8932, 9238, 10726, 10856, 11210, 11684 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Sequence in context: A010922 A010902 A010923 this_sequence A020905 A048635 A114872

Adjacent sequences: A015847 A015848 A015849 this_sequence A015851 A015852 A015853

KEYWORD

nonn

AUTHOR

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

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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