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%I #12 May 02 2013 13:11:18
%S 3,4,5,7,13,17,23,43,47,83,137,433,4723,5387,9677,30757,50833,201107,
%T 931517,1049897,1285607,1636007
%N Numbers n such that the n-th Fibonacci number is prime, but cannot be written in the form a^2 + 5*b^2.
%H Blair Kelly, <a href="http://mersennus.net/fibonacci">Factorizations of Fibonacci and Lucas numbers</a>
%Y Cf. A000045, A001605.
%K nonn
%O 1,1
%A _V. Raman_, Sep 08 2012
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