A141933 Primes congruent to 8 mod 25.

83, 233, 283, 383, 433, 683, 733, 883, 983, 1033, 1283, 1433, 1483, 1583, 1733, 1783, 1933, 2083, 2333, 2383, 2633, 2683, 2833, 3083, 3433, 3533, 3583, 3733, 3833, 4133, 4283, 4483, 4583, 4733, 4783, 4933, 5233, 5333, 5483, 5683, 5783, 6133, 6733, 6833

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[8, 20000, 25], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 18 2011 *)
Select[Prime[Range[900]], Mod[#, 25]==8&] (* Harvey P. Dale, Aug 05 2022 *)

Prog

(Magma) [p: p in PrimesUpTo(8000) | p mod 25 eq 8 ]; // Vincenzo Librandi, Aug 16 2012
(PARI) is(n)=isprime(n) && n%25==8 \\ Charles R Greathouse IV, Jul 02 2016

Crossrefs

Cf. A000040.

Sequence in context: A211170 A065012 A033253 * A238680 A008897 A159071

Adjacent sequences: A141930 A141931 A141932 * A141934 A141935 A141936

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved