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Period of continued fraction for sqrt(n) contains more than one 1, but no two consecutive 1's.
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%I #8 Mar 30 2012 18:55:49

%S 14,19,22,23,33,34,45,47,52,54,59,60,61,62,69,70,71,77,78,79,95,96,98,

%T 107,109,114,116,117,118,119,127,129,138,140,141,142,149,153,154,161,

%U 162,164,165,167,178,187,188,189,192,193,194,202,205,206,216,218,219,220,221

%N Period of continued fraction for sqrt(n) contains more than one 1, but no two consecutive 1's.

%D Kenneth H. Rosen, Elementary Number Theory and Its Applications, Addison-Wesley, 1984, page 426 (but beware of errors!).

%K nonn

%O 1,1

%A _Clark Kimberling_

%E More terms from _David W. Wilson_