%I M3781 #10 Dec 29 2021 02:23:50
%S 5,8,13,17,29,37,40,41,53,61,65,73,85,89,97,101,104,109,113,137,145,
%T 149,157,173,181,185,193,197,229,232,233,241,257,265,269,277,281,293,
%U 296,313,317,328,337,349,353,365,373,389,397,401,409,421,424,433,445,449
%N Discriminants of quadratic fields whose fundamental unit has norm -1.
%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. A003658, A349649 (discriminants of real quadratic fields whose fundamental unit has norm 1).
%K nonn
%O 1,1
%A _N. J. A. Sloane_, _Mira Bernstein_