%I A031491
%S A031491 63,127,191,255,319,383,447,463,471,479,487,495,503,505,506,507,
%T A031491 508,509,510,639,703,767,831,895,959,975,983,991,999,1007,1015,
%U A031491 1017,1018,1019,1020,1021,1022
%N A031491 n-th number k which in base 8 has 2 fewer 0's than 7's.
%Y A031491 Sequence in context: A031468 A045064 A043450 this_sequence A044250 A044631 
               A045136
%Y A031491 Adjacent sequences: A031488 A031489 A031490 this_sequence A031492 A031493 
               A031494
%K A031491 nonn
%O A031491 1,1
%A A031491 Clark Kimberling (ck6(AT)evansville.edu)