%I A013646
%S A013646 1,2,3,41,7,13,19,58,31,106,43,61,46,193,134,109,94,157,139,337,151,181,
%T A013646 166,586,271,457,211,949,334,821,379,601,463,613,331,1061,478,421,619,
%U A013646 541,526,1117,571,1153,604,1249,694,1069,631,1021,1051,1201,751,1669,886
%N A013646 Least m such that continued fraction for sqrt(m) has period n.
%D A013646 Kenneth H. Rosen, Elementary Number Theory and Its Applications, Addison-Wesley, 
               1984, page 426 (but beware of errors!).
%H A013646 T. D. Noe, <a href="b013646.txt">Table of n, a(n) for n=0..1000</a>
%Y A013646 Sequence in context: A097170 A157132 A077336 this_sequence A059800 A094714 
               A042475
%Y A013646 Adjacent sequences: A013643 A013644 A013645 this_sequence A013647 A013648 
               A013649
%K A013646 nonn,nice
%O A013646 0,2
%A A013646 N. J. A. Sloane (njas(AT)research.att.com), Clark Kimberling (ck6(AT)evansville.edu), 
               Walter Gilbert