OFFSET
1,1
COMMENTS
Also primes of the form (k^2-13)/3. - Chai Wah Wu, Jul 10 2014
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Table[(4*n^2-8*n-9)/3, {n, 3, 200}], PrimeQ] (* Vincenzo Librandi, Jul 23 2012 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jan 18 2009
EXTENSIONS
Corrected by Bruno Berselli, Jun 24 2010
Checked by N. J. A. Sloane, Jun 25 2010
STATUS
approved