OFFSET
1,9
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..16384
Antti Karttunen, Data supplement: n, a(n) computed for n = 1..65537
MATHEMATICA
Table[Mod[(5^n-1)/4, n], {n, 100}] (* Harvey P. Dale, Sep 20 2016 *)
PROG
(PARI) A094920(n) = lift(Mod((5^n-1)/4, n)); \\ Antti Karttunen, May 19 2020
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 18 2004
STATUS
approved