A031828 - OEIS

%I #5 Mar 30 2012 18:35:31

%S 4111,4174,4741,4951,5581,6406,6421,6529,7039,7201,7411,7549,7723,

%T 7849,8038,8086,8212,9124,9403,9769,10129,10141,10321,10429,11161,

%U 11587,11596,11731,11878,11989,12021,12034,12196,12686,13291,13329,13666,13681,14137

%N Period of continued fraction for sqrt(n) contains exactly 60 ones.

%K nonn

%O 1,1

%A _David W. Wilson_