OFFSET
1,1
LINKS
Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
EXAMPLE
If k=96 then 3*k^2 + 25 = 27673 (prime).
MATHEMATICA
Select[Range[0, 400], PrimeQ[3*#^2 + 25] &] (* Stefan Steinerberger, Mar 03 2006 *)
PROG
(PARI) is(n)=isprime(3*n^2+25) \\ Charles R Greathouse IV, Jun 06 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Parthasarathy Nambi, Oct 08 2005
EXTENSIONS
More terms from Stefan Steinerberger, Mar 03 2006
STATUS
approved