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

Author

Parthasarathy Nambi, Jul 05 2005

Keywords

• nonn
• easy

Examples

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

Links

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

Crossrefs

Cf. A030431, A045414.

Programs

Magma

[n: n in [0..300] |IsPrime(10*n + 103)]; // Vincenzo Librandi, Nov 13 2010

Mathematica

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

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