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A142902 Primes congruent to 23 mod 63. 2
23, 149, 401, 653, 1031, 1283, 1409, 1787, 1913, 2039, 2417, 2543, 3299, 3677, 3803, 3929, 4937, 5189, 5441, 5693, 6197, 6323, 6449, 6701, 6827, 7079, 7331, 7457, 7583, 8087, 8969, 9221, 9473, 9851, 10103, 10607, 10733, 10859, 11489, 11867, 12119, 12497 (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) ~ 36n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[1900]], MemberQ[{23}, Mod[#, 63]] &] (* Vincenzo Librandi, Sep 06 2012 *)

Select[Range[23, 13000, 63], PrimeQ] (* Harvey P. Dale, Oct 28 2015 *)

PROG

(MAGMA) [p: p in PrimesUpTo(13000) | p mod 63 eq 23 ] ; // Vincenzo Librandi, Sep 05 2012

(PARI) is(n)=isprime(n) && n%63==23 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A255418 A268778 A231207 * A125333 A126491 A142044

Adjacent sequences:  A142899 A142900 A142901 * A142903 A142904 A142905

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified June 23 13:59 EDT 2021. Contains 345402 sequences. (Running on oeis4.)