A075746 Numbers n such that 210*n-13 is prime.

1, 3, 4, 8, 9, 10, 11, 14, 15, 16, 17, 18, 21, 23, 25, 27, 28, 30, 33, 34, 36, 37, 40, 41, 42, 44, 45, 47, 48, 50, 53, 59, 62, 63, 67, 71, 72, 74, 75, 80, 82, 83, 84, 85, 86, 87, 94, 95, 96, 97, 102, 103, 105, 106, 109, 110, 111, 115, 118, 119, 125, 129, 133, 136, 140, 149

Offset

1,2

Links

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

Example

n=1: 210*1-13=197 is prime.

Mathematica

Select[Range[500], PrimeQ[210*# - 13] &] (* Vincenzo Librandi, Oct 04 2012 *)

Prog

(Magma) [n: n in [0..150]| IsPrime(210*n - 13)]; // Vincenzo Librandi, Oct 04 2012
(PARI) is(n)=isprime(210*n-13) \\ Charles R Greathouse IV, Jun 12 2017

Crossrefs

Sequence in context: A089290 A296497 A019811 * A342791 A275096 A109826

Adjacent sequences: A075743 A075744 A075745 * A075747 A075748 A075749

Keyword

easy,nonn

Author

Zak Seidov, Oct 08 2002

Status

approved