A142222 Primes congruent to 25 mod 41.

107, 271, 353, 599, 1009, 1091, 1583, 1747, 1993, 2239, 2731, 3469, 3797, 4289, 5273, 5437, 5519, 5683, 6011, 6257, 6421, 7159, 7487, 8389, 8963, 9127, 9209, 9619, 10111, 10193, 10357, 11177, 11423, 11587, 11833, 12161, 12653, 12899, 13063, 13309, 13883

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 03 2016

Mathematica

Select[Prime[Range[5000]], MemberQ[{25}, Mod[#, 41]]&] (* Vincenzo Librandi, Aug 24 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(17000) | p mod 41 eq 25 ]; // Vincenzo Librandi, Aug 24 2012
(PARI) is(n)=isprime(n) && n%41==25 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A248402 A201220 A088563 * A123300 A238669 A142018

Adjacent sequences: A142219 A142220 A142221 * A142223 A142224 A142225

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved