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%I #7 Sep 10 2012 12:48:46
%S 2,3,5,11,13,17,19,23,29,37,41,43,47,53,59,61,67,71,83,89,101,107,109,
%T 113,131,137,139,149,157,163,167,173,179,181,191,197,211,227,229,233,
%U 239,251,257,263,269,277,281,283,293,307,311,317,331,347,349,353
%N Primes which cannot be written in the form a^2 + 6*b^2.
%C These are primes congruent to {5, 11, 13, 17, 19, 23} mod 24.
%Y Cf. A033199.
%K nonn
%O 1,1
%A _V. Raman_, Sep 08 2012
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