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A142216
Primes congruent to 19 mod 41.
4
19, 101, 347, 593, 757, 839, 1249, 1741, 1823, 1987, 2069, 2971, 3217, 3299, 3463, 3709, 4201, 4283, 4447, 5021, 5431, 5923, 6661, 6907, 7481, 7727, 8219, 8629, 9203, 9613, 9859, 9941, 10433, 10597, 11171, 11827, 11909, 12073, 12401, 12647, 12893, 13877
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 40n log n. - Charles R Greathouse IV, Jul 02 2016
MATHEMATICA
Select[Range[19, 30000, 41], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 03 2011 *)
Select[Prime[Range[5000]], MemberQ[{19}, Mod[#, 41]]&] (* Vincenzo Librandi, Aug 23 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(16000) | p mod 41 eq 19 ]; // Vincenzo Librandi, Aug 23 2012
(PARI) is(n)=isprime(n) && n%41==19 \\ Charles R Greathouse IV, Jul 02 2016
CROSSREFS
Cf. A000040, A144562. - Vincenzo Librandi, Jan 17 2009
Sequence in context: A044270 A044651 A287303 * A027005 A061696 A062643
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved