OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
{2} UNION A142466. - R. J. Mathar, Jul 20 2008
a(n) ~ 20n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Range[2, 20000, 25], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 18 2011 *)
PROG
(Magma) [p: p in PrimesUpTo(8000) | p mod 25 eq 2 ]; // Vincenzo Librandi, Aug 16 2012
(PARI) is(n)=isprime(n) && n%25==2 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved