A142228 Primes congruent to 31 mod 41.

31, 113, 277, 359, 523, 769, 1097, 1753, 1999, 2081, 2819, 3229, 3557, 3803, 3967, 4049, 4787, 4951, 5197, 5279, 5443, 5689, 6263, 6427, 6673, 7001, 7247, 7411, 8231, 8641, 8887, 8969, 9133, 9461, 9871, 10691, 10937, 11593, 11839, 12413, 12577, 12659, 12823

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[{31}, Mod[#, 41]]&] (* Vincenzo Librandi, Aug 24 2012 *)
Select[Range[31, 14000, 41], PrimeQ] (* Harvey P. Dale, Sep 29 2013 *)

Prog

(Magma) [p: p in PrimesUpTo(17000) | p mod 41 eq 31 ]; // Vincenzo Librandi, Aug 24 2012
(PARI) is(n)=isprime(n) && n%41==31 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A063397 A044282 A044663 * A304241 A204735 A254283

Adjacent sequences: A142225 A142226 A142227 * A142229 A142230 A142231

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved