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A141932 Primes congruent to 7 mod 25. 3
7, 107, 157, 257, 307, 457, 557, 607, 757, 857, 907, 1307, 1607, 1657, 1907, 2207, 2357, 2557, 2657, 2707, 2857, 2957, 3257, 3307, 3407, 3457, 3557, 3607, 3907, 4007, 4057, 4157, 4357, 4457, 4507, 4657, 4957, 5107, 5407, 5507, 5557, 5657, 5807, 5857, 6007 (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[7, 20000, 25], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 18 2011 *)

PROG

(MAGMA) [p: p in PrimesUpTo(7000) | p mod 25 eq 7 ]; // Vincenzo Librandi, Aug 16 2012

(PARI) is(n)=isprime(n) && n%25==7 \\ Charles R Greathouse IV, Jul 02 2016

CROSSREFS

Cf. A000040.

Sequence in context: A188407 A075021 A138963 * A002687 A166547 A156204

Adjacent sequences:  A141929 A141930 A141931 * A141933 A141934 A141935

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified July 21 04:40 EDT 2019. Contains 325189 sequences. (Running on oeis4.)