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A142302 Primes congruent to 23 mod 44. 2
23, 67, 199, 331, 419, 463, 683, 727, 859, 947, 991, 1123, 1607, 1783, 1871, 2003, 2179, 2267, 2311, 2399, 2531, 2663, 2707, 2927, 2971, 3191, 3323, 3499, 3631, 3719, 3851, 4027, 4159, 4423, 4643, 4951, 5039, 5171, 5303, 5347, 5479, 5743, 6007, 6271, 6359 (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[Prime[Range[2500]], MemberQ[{23}, Mod[#, 44]]&] (* Vincenzo Librandi, Aug 25 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(8000) | p mod 44 eq 23]; // Vincenzo Librandi, Aug 25 2012

(PARI) is(n)=isprime(n) && n%44==23 \\ Charles R Greathouse IV, Jul 02 2016

CROSSREFS

Cf. A000040.

Sequence in context: A139955 A126377 A136064 * A276262 A078622 A280376

Adjacent sequences:  A142299 A142300 A142301 * A142303 A142304 A142305

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified May 26 17:17 EDT 2019. Contains 323597 sequences. (Running on oeis4.)