OFFSET
1,4
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..5000
MATHEMATICA
Array[PowerMod[5, #, Prime@#]&, 80]
PROG
(Magma) [Modexp(5, n, NthPrime(n)): n in [1..80]];
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Jan 15 2018
STATUS
approved