OFFSET
1,2
COMMENTS
For all m, 2^A015922(m)-1 belongs to this sequence.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..10000
OEIS Wiki, 2^n mod n
MATHEMATICA
Select[Range[3000], PowerMod[2, #, #]==PowerMod[2, 7, #]&] (* Harvey P. Dale, Mar 15 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Edited by Max Alekseyev, Jul 30 2011
STATUS
approved