%I A081772
%S A081772 1,3,1,3,4,3,1,3,3,1,3,3,1,2,1,3,3,1,3,4,3,1,3,3,1,2,1,3,4,3,1,3,3,1,2,
%T A081772 1,3,3,1,3,3,1,3,4,3,1,3,3,1,2,1,3,4,3,1,3,3,1,3,3,1,2,1,3,3,1,3,4,3,1,
%U A081772 2,1,3,3,1,3,4,3,1,3,3,1,2,1,3,3,1,3,3,1,3,4,3,1,3,3,1,2,1,3,4,3,1,3,3
%N A081772 Continued fraction for sum(k>=0,1/4^(2^k-1)).
%C A081772 Contains only elements 1<=a(n)<=4
%Y A081772 Cf. A004200, A006464.
%Y A081772 Sequence in context: A093560 A131504 A008311 this_sequence A050121 A029152 
               A089958
%Y A081772 Adjacent sequences: A081769 A081770 A081771 this_sequence A081773 A081774 
               A081775
%K A081772 cofr,nonn
%O A081772 1,2
%A A081772 Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 10 2003