OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
a(n) ~ 24n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[1200]], Mod[#, 35]==18&] (* Harvey P. Dale, Mar 23 2011 *)
Select[Prime[Range[3000]], MemberQ[{18}, Mod[#, 35]]&] (* Vincenzo Librandi, Aug 19 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(9000) | p mod 35 eq 18 ]; // Vincenzo Librandi, Aug 19 2012
(PARI) is(n)=isprime(n) && n%35==18 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved