OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..700
MATHEMATICA
Select[Range[5000], PrimeQ[Total[#^Range[1, 21, 2]] + 1]&]
PROG
(Magma) [n: n in [0..4500] | IsPrime(s) where s is 1+&+[n^i: i in [1..21 by 2]]];
(Sage)
i, n = var('i, n')
[n for n in (1..4100) if is_prime(1+(n^(2*i+1)).sum(i, 0, 10))] # Bruno Berselli, Jun 27 2014
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jun 27 2014
STATUS
approved