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[3000]], MemberQ[{38}, Mod[#, 39]]&] (* Vincenzo Librandi, Aug 20 2012 *)
Select[Range[38, 8500, 39], PrimeQ] (* Harvey P. Dale, Aug 21 2020 *)
PROG
(Magma)[p: p in PrimesUpTo(10000) | p mod 39 eq 38]; // Vincenzo Librandi, Aug 20 2012
(PARI) is(n)=isprime(n) && n%39==38 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved