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%I #17 Sep 08 2022 08:45:30
%S 103,137,239,307,409,443,613,647,919,953,1021,1123,1259,1327,1361,
%T 1429,1531,1667,1871,1973,2143,2347,2381,2551,2687,2789,2857,3061,
%U 3163,3299,3469,3571,3673,3877,3911,4013,4217,4421,4523,4591,4931,4999,5101,5237
%N Primes of the form 17k + 1.
%H Daniel Starodubtsev, <a href="/A129484/b129484.txt">Table of n, a(n) for n = 1..10000</a>
%t Select[Range[1,5000,17],PrimeQ[#]&] (* _Vladimir Joseph Stephan Orlovsky_, Apr 03 2011 *)
%o (PARI) cicadayear(n) = forstep(x=1,n,17,if(isprime(x),print1(x",")))
%o (Magma) [n: n in [1..5000 by 17] | IsPrime(n)] ; // _Vincenzo Librandi_, Apr 04 2011
%Y Cf. A140544, A092074, A094657, A138623, A140545, A138629, A138633, A138631, A138627, A140542, A138625, A141865, A140540, A140543, A140541.
%K easy,nonn
%O 1,1
%A _Cino Hilliard_, May 29 2007
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