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A142303 Primes congruent to 25 mod 44. 1
113, 157, 421, 509, 641, 773, 1213, 1301, 1433, 1609, 1697, 1741, 1873, 2137, 2269, 2357, 2621, 2753, 2797, 3061, 3413, 3457, 3677, 3853, 4073, 4337, 4513, 4733, 4909, 5261, 5393, 5437, 5569, 5657, 5701, 6053, 6229, 6317, 6361, 6449, 6581, 6977, 7109, 7417 (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 03 2016

MATHEMATICA

Select[Prime[Range[25000]], MemberQ[{25}, Mod[#, 44]]&] (* Vincenzo Librandi, Aug 25 2012 *)

Select[Range[25, 7500, 44], PrimeQ] (* Harvey P. Dale, Jul 28 2018 *)

PROG

(MAGMA) [p: p in PrimesUpTo(8000) | p mod 44 eq 25]; // Vincenzo Librandi, Aug 25 2012

(PARI) is(n)=isprime(n) && n%44==25 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A230255 A167631 A264778 * A152929 A142180 A325084

Adjacent sequences:  A142300 A142301 A142302 * A142304 A142305 A142306

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified May 25 03:14 EDT 2019. Contains 323539 sequences. (Running on oeis4.)