OFFSET
1,3
LINKS
Zak Seidov, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = (A091968(n)-3)/16. - Zak Seidov, Mar 28 2015
MATHEMATICA
Select[Range[0, 208], PrimeQ[16# + 3] &] (* Ray Chandler, Mar 15 2004 *)
PROG
(Magma) [n: n in [0..300] |IsPrime(16*n+3)]; // Vincenzo Librandi, Mar 28 2015
(PARI) is(n)=isprime(16*n+3) \\ Charles R Greathouse IV, Feb 17 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Ray Chandler, Mar 15 2004
STATUS
approved