OFFSET
1,2
COMMENTS
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Range[400], PowerMod[#, #+1, #+2]==1&] (* Harvey P. Dale, Mar 18 2016 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Jan 28 2016
STATUS
approved