OFFSET
1,2
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1000
OEIS Wiki, 2^n mod n
MATHEMATICA
Select[Range[1000], Mod[2^# - 2^8, #] == 0 &] (* T. D. Noe, Aug 17 2012 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Edited by Max Alekseyev, Jul 30 2011
STATUS
approved