OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
a(n) ~ 32n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[2000]], Mod[#, 51]==7&] (* Harvey P. Dale, Jan 18 2011 *)
Select[Prime[Range[2400]], MemberQ[{7}, Mod[#, 51]] &] (* Vincenzo Librandi, Aug 28 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(13000) | p mod 51 eq 7]; // Vincenzo Librandi, Aug 28 2012
(PARI) is(n)=isprime(n) && n%51==7 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved