%I A031808
%S A031808 1999,2284,2461,2644,2671,2689,2956,2989,3061,3661,3697,3769,3817,4153,
%T A031808 4201,4987,4989,5001,5101,5419,5469,5647,5812,5851,6067,6189,6281,6331,
%U A031808 6581,6673,6689,6861,6883,7078,7141,7151,7261,7342,7354,7661,7693,7789
%N A031808 Period of continued fraction for sqrt(n) contains exactly 40 ones.
%Y A031808 Sequence in context: A079012 A063472 A063054 this_sequence A167292 A037029 
               A048517
%Y A031808 Adjacent sequences: A031805 A031806 A031807 this_sequence A031809 A031810 
               A031811
%K A031808 nonn
%O A031808 1,1
%A A031808 David W. Wilson (davidwwilson(AT)comcast.net)