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Primes p such that all p-k^2 for p/2 < k^2 < p are composite.
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%I #6 Dec 15 2017 17:36:04

%S 2,5,13,17,31,37,61,79,89,97,109,127,139,193,229,277,307,311,313,349,

%T 373,379,401,409,439,457,499,541,569,571,577,653,661,691,701,709,751,

%U 811,823,829,877,991,1021,1069,1087,1201,1291,1381,1429,1483,1549,1597

%N Primes p such that all p-k^2 for p/2 < k^2 < p are composite.

%e 61 is here since the squares between 30 and 61 are 36 and 49 and 61-49 = 12, 61-36 = 25, composites.

%K nonn

%O 1,1

%A _Jason Earls_, Sep 11 2002