OFFSET
1,1
COMMENTS
For all 0 <= k < 13, k^4 + 2*k^3 + 36*k^2 + 35*k + 23 is a prime.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Table[n^4 + 2 n^3 + 36 n^2 + 35 n + 23, {n, 0, 100}], PrimeQ] (* Vincenzo Librandi, Jun 24 2013 *)
PROG
(Magma) [a: n in [0..100] | IsPrime(a) where a is n^4+2*n^3+36*n^2+35*n+23]; // Vincenzo Librandi, Jun 24 2013
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jan 28 2009
STATUS
approved