A142201 Primes congruent to 4 mod 41.

127, 373, 619, 701, 947, 1193, 1439, 1931, 2341, 2423, 2833, 3079, 3407, 3571, 4391, 4637, 4801, 5867, 6113, 6277, 6359, 7507, 7589, 7753, 8081, 8573, 8737, 8819, 9311, 9721, 9803, 9967, 10459, 11197, 11279, 11443, 11689, 12263, 12919, 13001, 13411, 13903

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Formula

a(n) ~ 40n log n. - Charles R Greathouse IV, Jul 02 2016

Mathematica

Select[Range[4, 30000, 41], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, May 17 2011 *)
Select[Prime[Range[5000]], MemberQ[{4}, Mod[#, 41]]&] (* Vincenzo Librandi, Aug 23 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(14000) | p mod 41 eq 4 ]; // Vincenzo Librandi, Aug 23 2012
(PARI) is(n)=isprime(n) && n%41==4 \\ Charles R Greathouse IV, Jul 02 2016

Crossrefs

Cf. A000040, A059236, A142199, A142200.

Sequence in context: A080035 A162004 A112419 * A142889 A095312 A143034

Adjacent sequences: A142198 A142199 A142200 * A142202 A142203 A142204

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved