OFFSET
1,1
COMMENTS
Subsequence of A066436. - R. J. Mathar, Dec 02 2010
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
a(n) = 2*A182783(n)^4-1. - R. J. Mathar, Dec 02 2010
MATHEMATICA
Select[Table[2 n^4 - 1, {n, 100}], PrimeQ] (* Vincenzo Librandi, Sep 01 2012 *)
PROG
(Magma) [a: n in [1..350] | IsPrime(a) where a is 2*n^4-1];
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Dec 02 2010
STATUS
approved