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A275007
Numbers n such that 2^n == sigma(n) (mod n).
0
1, 12, 286, 5978, 111136, 283584, 339379, 1102652, 8830498, 27952828, 30442612, 84638560, 90619592, 101907952, 175917947
OFFSET
1,2
COMMENTS
Numbers n such that A015910(n) = A054024(n). - Michel Marcus, Dec 11 2016
EXAMPLE
12 is a term because 2^12 == sigma(12) (mod 12).
PROG
(PARI) is(n)=Mod(2, n)^n==sigma(n);
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Altug Alkan, Dec 11 2016
STATUS
approved