%I #5 Mar 30 2012 18:35:31
%S 244,508,556,619,631,652,694,769,772,796,811,823,844,907,964,974,1057,
%T 1063,1069,1198,1481,1648,1660,1777,1786,1809,1816,1819,1852,1964,
%U 1990,2009,2017,2041,2049,2076,2084,2086,2092,2129,2276,2339,2353,2356,2404
%N Period of continued fraction for sqrt(n) contains exactly 18 ones.
%K nonn
%O 1,1
%A _David W. Wilson_
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