%I A004781
%S A004781 7,14,15,23,28,29,30,31,39,46,47,55,56,57,58,59,60,61,62,63,71,78,
%T A004781 79,87,92,93,94,95,103,110,111,112,113,114,115,116,117,118,119,120,
%U A004781 121,122,123,124,125,126,127,135,142,143,151,156,157,158,159,167
%N A004781 Binary expansion contains 3 adjacent 1's.
%Y A004781 Cf. A004779, A136037; complement of A003726.
%Y A004781 Sequence in context: A022557 A085335 A069137 this_sequence A004759 A062056 
               A115770
%Y A004781 Adjacent sequences: A004778 A004779 A004780 this_sequence A004782 A004783 
               A004784
%K A004781 nonn
%O A004781 0,1
%A A004781 N. J. A. Sloane (njas(AT)research.att.com).