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A141941 Primes congruent to 18 mod 25. 4
43, 193, 293, 443, 593, 643, 743, 1093, 1193, 1493, 1543, 1693, 1993, 2143, 2243, 2293, 2393, 2543, 2593, 2693, 2843, 3343, 3593, 3643, 3793, 3943, 4093, 4243, 4493, 4643, 4793, 4943, 4993, 5393, 5443, 5693, 5743, 5843, 6043, 6143, 6343, 6793, 7043, 7193 (list; graph; refs; listen; history; text; internal format)
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[18, 20000, 25], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 15 2011 *)

PROG

(MAGMA) [p: p in PrimesUpTo(8000) | p mod 25 eq 18 ]; // Vincenzo Librandi, Aug 16 2012

(PARI) is(n)=isprime(n) && n%25==18 \\ Charles R Greathouse IV, Jul 02 2016

CROSSREFS

Cf. A000040.

Sequence in context: A138631 A309905 A142115 * A197887 A145650 A142527

Adjacent sequences:  A141938 A141939 A141940 * A141942 A141943 A141944

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified February 26 17:22 EST 2021. Contains 341632 sequences. (Running on oeis4.)