A141944 Primes congruent to 22 mod 25.

47, 97, 197, 347, 397, 547, 647, 797, 947, 997, 1097, 1297, 1447, 1597, 1697, 1747, 1847, 1997, 2297, 2347, 2447, 2647, 2797, 2897, 3347, 3547, 3697, 3797, 3847, 3947, 4297, 4397, 4447, 4547, 4597, 5147, 5197, 5297, 5347, 5647, 5897, 6047, 6197, 6247, 6397

Offset

1,1

Links

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

Formula

a(n) ~ 20n log n. - Charles R Greathouse IV, Jul 02 2016

Mathematica

Select[Range[22, 20000, 25], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 15 2011 *)

Prog

(Magma) [p: p in PrimesUpTo(8000) | p mod 25 eq 22 ]; // Vincenzo Librandi, Aug 16 2012
(PARI) is(n)=isprime(n) && n%25==22 \\ Charles R Greathouse IV, Jul 02 2016

Crossrefs

Cf. A000040.

Sequence in context: A044185 A044566 A349231 * A281437 A319051 A180550

Adjacent sequences: A141941 A141942 A141943 * A141945 A141946 A141947

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved