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A142130
Primes congruent to 21 mod 37.
3
317, 613, 761, 983, 1279, 1427, 1723, 1871, 2389, 2833, 3203, 3499, 3943, 4091, 4831, 5867, 6089, 6163, 6311, 6607, 6829, 6977, 7643, 7717, 8087, 8161, 8753, 9049, 9419, 10159, 10529, 10973, 11047, 11491, 12157, 12379, 12527, 12601, 12823, 13267, 13711
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 36n log n. - Charles R Greathouse IV, Jul 02 2016
MATHEMATICA
Select[Range[21, 30000, 37], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, May 11 2011 *)
Select[Prime[Range[5000]], MemberQ[{21}, Mod[#, 37]]&] (* Vincenzo Librandi, Aug 19 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(15000) | p mod 37 eq 21 ]; // Vincenzo Librandi, Aug 19 2012
(PARI) is(n)=isprime(n) && n%37==21 \\ Charles R Greathouse IV, Jul 02 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved