%N Numbers m such that the discriminant of the quadratic field Q(sqrt(m) ) < m.
%C Among terms are all the squares for which discriminant = 1
%F a(n) appears to be asymptotic to C*n with C=3.4.....
%o (PARI) isok(m) = quaddisc(m) < m; \\ _Michel Marcus_, Feb 18 2021
%Y Cf. A037449, A072904.
%A _Benoit Cloitre_, Aug 10 2002