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Sequence A115811 in binary.
1

%I #2 Mar 31 2012 13:21:10

%S 1111,11110,111100,1111000,11110000,111100000,1111000000,11110000000,

%T 111100000000,111100001111,1111000000000,1111000001111,1111000011110,

%U 1111000011111,1111100001111,11110000000000,11110000001111

%N Sequence A115811 in binary.

%Y Cf. a(n) = A007088(A115811(n)).

%K nonn,base

%O 1,1

%A _Antti Karttunen_, Feb 01 2006