A142302 Primes congruent to 23 mod 44.

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

Offset

1,1

Comments

Subsequence of A141849. - Zak Seidov, Sep 22 2020

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, A141849.

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