OFFSET
1,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..150
MATHEMATICA
Select[Range[300000], Divisible[PowerMod[2, #, #] + PowerMod[6, #, #], #] &] (* Amiram Eldar, Oct 23 2021 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved