OFFSET
1,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
x=5; Select[ Range[ 10000 ], PowerMod[ #, x-1, x^4 ]==1& ]
Select[Range[10000], PowerMod[#, 4, 625]==1&] (* Harvey P. Dale, May 17 2023 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Jun 08 2000
STATUS
approved