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Search: id:A015791
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A015791 k is the first integer such that phi(k) + n | sigma(k + n):. +0
1
1, 1, 1, 7, 6, 5, 9, 3, 2, 1, 4, 50, 15, 156, 8, 60, 6, 80, 6, 15, 10, 126, 16, 49, 14, 33, 12, 109, 26, 60, 72, 51, 24, 103, 74, 10, 26, 69, 54, 97, 4, 200, 33, 9, 58, 105, 34, 89, 30, 144, 66, 175, 8, 83, 6, 123, 82, 15, 120, 1682, 42, 135, 58, 73, 30, 71, 10 (list; graph; listen)
OFFSET

0,4

CROSSREFS

Sequence in context: A120634 A104178 A092874 this_sequence A059751 A019859 A102769

Adjacent sequences: A015788 A015789 A015790 this_sequence A015792 A015793 A015794

KEYWORD

nonn

AUTHOR

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

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.


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