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A142450 Primes congruent to 43 mod 49. 1
43, 239, 337, 631, 827, 1709, 2003, 2297, 2591, 2689, 3571, 3767, 4159, 4649, 4943, 5237, 5531, 5923, 6217, 7001, 7393, 7589, 7687, 7883, 8863, 9059, 9157, 9941, 10039, 10333, 10529, 10627, 11117, 11411, 12097, 12391, 12979, 13469, 13567, 13763, 14057, 14449 (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) ~ 42n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[2500]], MemberQ[{43}, Mod[#, 49]] &] (* Vincenzo Librandi, Aug 28 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(17000) | p mod 49 eq 43]; // Vincenzo Librandi, Aug 28 2012

(PARI) is(n)=isprime(n) && n%49==43 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A107697 A302977 A158080 * A259421 A202008 A258214

Adjacent sequences:  A142447 A142448 A142449 * A142451 A142452 A142453

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified May 20 20:15 EDT 2022. Contains 353876 sequences. (Running on oeis4.)