A051988 - OEIS

%I #7 Sep 21 2021 07:14:16

%S 586,634,1585,2474,3578,4121,4141,5114,6074,6109,6362,6506,6602,7261,

%T 8042,8249,10673,12349,20557,22837,24869,26773,26869,33017,34165,

%U 34541,37661,37837,43693,51757,55565,56285,56381,58277,59293

%N Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 23.

%D R. A. Mollin, Quadratics, CRC Press, 1996, Appendix A, Table A3.

%H Georg Fischer, <a href="/A051988/b051988.txt">Table of n, a(n) for n = 1..59</a>

%Y Cf. A051966-A051989.

%K nonn,fini,full

%O 1,1

%A _N. J. A. Sloane_, Jan 04 2000