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%I #6 Sep 08 2022 08:46:01
%S 17,47,89,479,593,719,857,2393,2897,3167,3449,4049,5039,5393,10079,
%T 11087,12143,12689,16217,17489,18143,20177,20879,23057,25343,26927,
%U 27737,28559,34649,36497,38393,39359,46457,48593,50777,62417,63647
%N Primes of the form 6n^2 - 7.
%H Vincenzo Librandi, <a href="/A201792/b201792.txt">Table of n, a(n) for n = 1..5000</a>
%t Select[Table[6n^2-7,{n,1,700}],PrimeQ]
%o (Magma) [a: n in [1..200] | IsPrime(a) where a is 6*n^2-7];
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, Dec 06 2011
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