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^# - 2^4, #] == 0 &] (* T. D. Noe, Aug 17 2012 *)

Join[{1, 2, 4, 6, 7, 8, 12, 16}, Select[Range[600], PowerMod[2, #, #]==16&]] (* Harvey P. Dale, Dec 03 2021 *)

CROSSREFS

KEYWORD

nonn

AUTHOR

EXTENSIONS

Edited and terms 1,2,4,6,7,8,12,16 prepended by Max Alekseyev, Jul 29 2011

STATUS

approved