OFFSET
1,1
COMMENTS
From N. J. A. Sloane, Jan 29 2014: (Start)
If p = 11k+10 then k must be odd, so p is also of the form 22r+21.
Note that the differences are surely unbounded - compare A002386. (End)
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
a(n) ~ 10n log n. - Charles R Greathouse IV, Jul 02 2016
MATHEMATICA
Select[Range[10, 50000, 11], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 13 2011 *)
Select[Range[43, 50000, 22], PrimeQ] (* Zak Seidov, Jan 29 2014 *)
Select[Prime[Range[500]], Mod[#, 11]==10&] (* Harvey P. Dale, Jan 10 2023 *)
PROG
(Magma) [ p: p in PrimesUpTo(5000) | p mod 11 eq 10 ]; // Vincenzo Librandi, Apr 19 2011
(PARI) is(n)=isprime(n) && n%11==10 \\ Charles R Greathouse IV, Jul 02 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved