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%I #13 Sep 08 2022 08:45:20
%S 1,3,9,11,19,33,45,49,53,65,67,77,79,87,89,121,123,129,137,157,159,
%T 163,165,179,193,199,201,215,217,219,221,233,241,243,261,269,273,275,
%U 285,299,311,319,347,355,373,413,415,423,427,443,445,453,457,459,467,483
%N Numbers n such that 23*n^2 - 16 is prime.
%e If n=89 then (23*n^2) - 16 = 182167 (prime).
%o (Magma) [n: n in [0..100000] |IsPrime((23*n^2)-16)] // _Vincenzo Librandi_, Nov 13 2010
%o (PARI) is(n)=isprime(23*n^2-16) \\ _Charles R Greathouse IV_, Jun 13 2017
%K nonn,easy
%O 1,2
%A _Parthasarathy Nambi_, Sep 30 2005
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