A126332 - OEIS

%I #26 Feb 03 2024 00:50:45

%S 0,1,3,4,6,7,9,10,15,16,18,21,22,25,27,28,30,34,36,37,42,43,45,49,51,

%T 55,58,60,63,64,66,67,72,73,76,81,84,85,87,94,97,100,102,105,108,109,

%U 111,114,115,118,120,121,127,129,136,141,142,144,147,148,151,153,154,157

%N Numbers k such that 10k + 13 is prime.

%F a(k) = A102338(k+1) - 1. - _R. J. Mathar_, Jul 08 2009

%e For k = 100, 10*k + 13 = 1013 (prime).

%o (Magma) [n: n in [0..1000] | IsPrime(10*n + 13)] // _Vincenzo Librandi_, Nov 23 2010

%o (PARI) is(n)=isprime(10*n+13) \\ _Charles R Greathouse IV_, Jun 13 2017

%Y Cf. A102342, A126785.

%K nonn,easy

%O 1,3

%A _Parthasarathy Nambi_, Mar 10 2007