A045392 Primes congruent to 2 mod 7.

2, 23, 37, 79, 107, 149, 163, 191, 233, 317, 331, 359, 373, 401, 443, 457, 499, 541, 569, 653, 709, 751, 821, 863, 877, 919, 947, 1031, 1087, 1129, 1171, 1213, 1283, 1297, 1367, 1381, 1409, 1423, 1451, 1493, 1549, 1619, 1759, 1787, 1801, 1871, 1913, 1997

Offset

1,1

Comments

2 and primes congruent to 9 mod 14. - Chai Wah Wu, Apr 28 2025

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[2, 50000, 7], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 13 2011 *)

Prog

(Magma) [p: p in PrimesUpTo(2000) | p mod 7 eq 2]; // Vincenzo Librandi, Aug 07 2012
(PARI) is(n)=isprime(n) && n%7==2 \\ Charles R Greathouse IV, Jul 01 2016

Crossrefs

Cf. A045437, A045458, A045471.

Subsequence of A045383.

Sequence in context: A117242 A144550 A106736 * A107374 A068835 A156557

Adjacent sequences: A045389 A045390 A045391 * A045393 A045394 A045395

Keyword

nonn,easy,changed

Author

N. J. A. Sloane

Status

approved