OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
a(n) ~ 24 n log n. - Charles R Greathouse IV, Mar 25 2010
MATHEMATICA
Select[Prime[Range[1100]], MemberQ[{11, 199}, Mod[#, 210]]&] (* Harvey P. Dale, Jun 15 2011 *)
PROG
(Magma) [p: p in PrimesUpTo(9000)|p mod 210 in {11, 199}]; // Vincenzo Librandi, Dec 18 2010
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Juri-Stepan Gerasimov, Jul 28 2008
STATUS
approved