OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..7
MATHEMATICA
Select[Table[5^n + n^5 - 1, {n, 0, 500}], PrimeQ ]
PROG
(Magma) [ a: n in [0..250] | IsPrime(a) where a is 5^n + n^5 - 1 ]
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Sep 03 2012
STATUS
approved