A108595 Numbers k such that 10*k + 103 is prime.

0, 1, 6, 7, 9, 12, 13, 16, 18, 19, 21, 25, 27, 28, 33, 34, 36, 40, 42, 46, 49, 51, 54, 55, 57, 58, 63, 64, 67, 72, 75, 76, 78, 85, 88, 91, 93, 96, 99, 100, 102, 105, 106, 109, 111, 112, 118, 120, 127, 132, 133, 135, 138, 139, 142, 144, 145, 148, 151, 156, 159, 162, 163

Offset

1,3

Links

G. C. Greubel, Table of n, a(n) for n = 1..10000

Example

If n=33 then 10*n + 103 = 433 (prime).

Mathematica

Select[Range[0, 300], PrimeQ[10*# +103] &] (* G. C. Greubel, Oct 21 2023 *)

Prog

(Magma) [n: n in [0..300] |IsPrime(10*n + 103)]
- Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(10*n+103) \\ Charles R Greathouse IV, Jun 13 2017
(SageMath) [n for n in (0..300) if is_prime(10*n+103)] # G. C. Greubel, Oct 21 2023

Crossrefs

Cf. A030431, A045414.

Sequence in context: A096405 A228499 A309961 * A186079 A022938 A048585

Adjacent sequences: A108592 A108593 A108594 * A108596 A108597 A108598

Keyword

nonn,easy

Author

Parthasarathy Nambi, Jul 05 2005

Status

approved