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A142455 Primes congruent to 48 mod 49. 1
97, 293, 587, 881, 1567, 1861, 2351, 2939, 3037, 3331, 3527, 3821, 3919, 4409, 4507, 4703, 4801, 5683, 5879, 6173, 6271, 6761, 7349, 7643, 7741, 7937, 8231, 8329, 8623, 8819, 10093, 10289, 11171, 12347, 12641, 12739, 13033, 13229, 13327, 13523, 14503 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

FORMULA

a(n) ~ 42n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Range[48, 15000, 49], PrimeQ] (* Harvey P. Dale, Nov 21 2011 *)

Select[Prime[Range[2500]], MemberQ[{48}, Mod[#, 49]] &] (* Vincenzo Librandi, Aug 28 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(17000) | p mod 49 eq 48]; // Vincenzo Librandi, Aug 28 2012

(PARI) is(n)=isprime(n) && n%49==48 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A123033 A142008 A008873 * A159507 A141899 A140627

Adjacent sequences:  A142452 A142453 A142454 * A142456 A142457 A142458

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified May 27 02:41 EDT 2022. Contains 354093 sequences. (Running on oeis4.)