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Numbers n such that 90n + 17 is prime.
4

%I #21 Feb 20 2017 14:46:21

%S 0,1,2,5,6,7,9,12,13,14,15,18,21,22,23,25,26,27,32,35,36,37,39,40,42,

%T 46,48,50,53,54,55,57,58,60,61,65,67,70,76,77,79,81,83,84,86,88,90,92,

%U 93,97,98,104,105,111,116,123,124,127,130,131,132,133,137

%N Numbers n such that 90n + 17 is prime.

%H Robert Israel, <a href="/A202115/b202115.txt">Table of n, a(n) for n = 1..10000</a>

%p select(t -> isprime(90*t+17),[$0..1000]); # _Robert Israel_, Sep 02 2014

%t Select[Range[0, 200], PrimeQ[90 # + 17] &]

%o (PARI) is(n)=isprime(90*n+17) \\ _Charles R Greathouse IV_, Feb 20 2017

%Y Cf. A181732, A198382, A195993, A196000, A196007, A201739, A201734, A201804, A201816, A201817, A201818, A201820, A201822, A202101, A202104, A202105, A202110, A202112, A202113, A202114.

%K nonn,easy

%O 1,3

%A _J. W. Helkenberg_, Dec 11 2011