%I #4 Jul 29 2017 12:40:28
%S 111,111,111,111,1011,111,111,111,111,111,1011,111,1011,111,111,1011,
%T 1101,111,10011,1011,111,10011,1101,111,111,111,111,111,111,111,1011,
%U 111,111,1011,111,111,111,1011,1101,111,111,10011,1011,111,111,10011
%N Sequence A084503 in binary.
%F a(n) = A007088(A084503(n)).
%K nonn
%O 0,1
%A _Antti Karttunen_, Jun 02 2003