A142405 - OEIS

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A142405

Primes congruent to 23 mod 48.

23, 71, 167, 263, 311, 359, 503, 599, 647, 743, 839, 887, 983, 1031, 1223, 1319, 1367, 1511, 1559, 1607, 1847, 2039, 2087, 2423, 2663, 2711, 2903, 2999, 3191, 3527, 3623, 3671, 3719, 3767, 3863, 3911, 4007, 4391, 4583, 4679, 4871, 4919, 4967, 5303, 5351

(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) ~ 16n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[1000]], MemberQ[{23}, Mod[#, 48]] &] (* Vincenzo Librandi, Aug 27 2012 *)

Select[Range[23, 6000, 48], PrimeQ] (* Harvey P. Dale, Aug 10 2024 *)

PROG

(Magma) [p: p in PrimesUpTo(6000) | p mod 48 eq 23]; // Vincenzo Librandi, Aug 27 2012