%I #5 Mar 30 2012 18:39:16
%S 1,5,1,5,6,5,1,5,5,1,5,5,1,4,1,5,5,1,5,6,5,1,5,5,1,4,1,5,6,5,1,5,5,1,
%T 4,1,5,5,1,5,5,1,5,6,5,1,5,5,1,4,1,5,6,5,1,5,5,1,5,5,1,4,1,5,5,1,5,6,
%U 5,1,4,1,5,5,1,5,6,5,1,5,5,1,4,1,5,5,1,5,5,1,5,6,5,1,5,5,1,4,1,5,6,5,1,5,5
%N Continued fraction for sum(k>=0,1/6^(2^k-1)).
%C Contains only elements 1<=a(n)<=6 ( but 2 and 3 never occur)
%Y Cf. A004200.
%K cofr,nonn
%O 1,2
%A _Benoit Cloitre_, Apr 10 2003
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