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A260809 Primes p such that p = q^2 - 14*r^2 where q and r are also primes. 5

%I #6 Jul 31 2015 10:19:14

%S 43,113,163,179,233,443,491,683,1019,1163,1187,1283,1499,1523,1723,

%T 1787,2003,2027,2083,2153,2459,2683,2753,2843,2963,3203,3347,3371,

%U 3803,4139,4363,4523,4547,4643,4691,5147,5273,5387,5483,5867,6203,6323,6563,6763

%N Primes p such that p = q^2 - 14*r^2 where q and r are also primes.

%H Colin Barker, <a href="/A260809/b260809.txt">Table of n, a(n) for n = 1..1000</a>

%e 443 is in the sequence because 443 = 53^2 - 14*13^2 and 443, 53 and 13 are all primes.

%Y Cf. A260805, A260806, A260807, A260808.

%K nonn

%O 1,1

%A _Colin Barker_, Jul 31 2015

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Last modified April 24 10:11 EDT 2024. Contains 371935 sequences. (Running on oeis4.)