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A141930 Primes congruent to 4 mod 25. 4
29, 79, 179, 229, 379, 479, 829, 929, 1129, 1229, 1279, 1429, 1579, 1879, 1979, 2029, 2129, 2179, 2579, 2729, 2879, 3079, 3229, 3329, 3529, 3779, 3929, 4079, 4129, 4229, 4679, 4729, 5179, 5279, 5479, 5779, 5879, 6029, 6079, 6229, 6329, 6379, 6529, 6679 (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[4, 20000, 25], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 18 2011 *)

PROG

(MAGMA) [p: p in PrimesUpTo(8000) | p mod 25 eq 4 ]; // Vincenzo Librandi, Aug 16 2012

(PARI) is(n)=isprime(n) && n%25==4 \\ Charles R Greathouse IV, Jul 02 2016

CROSSREFS

Cf. A000040.

Sequence in context: A044548 A144584 A039461 * A153680 A097722 A268612

Adjacent sequences:  A141927 A141928 A141929 * A141931 A141932 A141933

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified January 27 12:01 EST 2020. Contains 331295 sequences. (Running on oeis4.)