%N Nonsquares congruent to 1 or 2 mod 4 which are not the sum of a prime and a square.
%C It seems likely that there are no further terms.
%H Michael O. Rabin, and Jeffrey O. Shallit, <a href="https://doi.org/10.1002/cpa.3160390713">Randomized algorithms in number theory</a>, Communications on Pure and Applied Mathematics 39.S1 (1986): S239-S256. See p. S253.
%A _N. J. A. Sloane_, Aug 27 2018