A142204 Primes congruent to 7 mod 41.

7, 89, 499, 827, 991, 1237, 1319, 1483, 1811, 2221, 2467, 2549, 2713, 3041, 3533, 3697, 3779, 3943, 4271, 4517, 5009, 5419, 5501, 6977, 7879, 8699, 8863, 9109, 9437, 9601, 9929, 10093, 10667, 10831, 11159, 11897, 12143, 12553, 12799, 13127, 13291, 13537

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[7, 30000, 41], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, May 17 2011 *)
Select[Prime[Range[5000]], MemberQ[{7}, Mod[#, 41]]&] (* Vincenzo Librandi, Aug 23 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(14000) | p mod 41 eq 7 ]; // Vincenzo Librandi, Aug 23 2012
(PARI) is(n)=isprime(n) && n%41==7 \\ Charles R Greathouse IV, Jul 02 2016

Crossrefs

Cf. A000040, A059236, A142199, A142200.

Sequence in context: A259360 A301925 A036902 * A071363 A174616 A089394

Adjacent sequences: A142201 A142202 A142203 * A142205 A142206 A142207

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved