%I #6 Mar 30 2012 18:39:16
%S 6,2,19,4,33,9,46,7,60,16,72,12,85,23,99,16,79,29,126,22,139,35,153,
%T 23,166,43,180,30,192,49,205,31,219,56,232,40,246,62,259,39,273,69,
%U 286,48,300,76,303,48,229,83,223,58,352,89,366,55,367,95,380,67,406,102,296,63
%N Maximum element is the continued fraction for n*sum(k>=0,1/2^(2^k)).
%F a(n)=n for n=2, 4, 12, 16, 48, 80, 108, 112, 123, 144.....
%Y Cf. A007400.
%K nonn
%O 1,1
%A _Benoit Cloitre_, Apr 10 2003
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