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A015806 Numbers n not congruent to 0 (mod 3) such that phi(n) + 4 | sigma(n). +0
1
175, 220, 350, 752, 3772, 4720, 5092, 15296, 80320 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A053173 A102538 A045145 this_sequence A109836 A056935 A104651

Adjacent sequences: A015803 A015804 A015805 this_sequence A015807 A015808 A015809

KEYWORD

nonn

AUTHOR

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

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

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