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%I M0191 #10 Jan 27 2014 08:57:35
%S 1,1,1,1,1,1,2,2,1,1,3,3,1,1,2,1,3,4,1,2,3,1,1,3,4,2,2,2,1,2,5,2,1,2,
%T 1,5,6,1,4,2,7,1,1,3,3,3,4,2,3,5,3,1,1,7,4,2,2,2,2,8,7,2,3,4,4,1,5,3,
%U 7,3,1,4,5,3,4
%N Number of classes per genus in quadratic field with discriminant -4n, -n == 2,3( mod 4).
%D D. A. Buell, Binary Quadratic Forms. Springer-Verlag, NY, 1989, pp. 224-241.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%Y Cf. A003637.
%K nonn
%O 1,7
%A _N. J. A. Sloane_, _Mira Bernstein_
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