%I A050135
%S A050135 1,8,4,2,20,10,5,32,16,40,44,22,11,56,28,14,7,3,76,38,19,9,92,46,23,
%T A050135 104,52,26,13,6,124,62,31,15,140,70,35,17,156,78,39,168,84,42,21,184,
%U A050135 188,94,47,200,100,50,25,12,220,110,55,27,236
%N A050135 a(n)=[ a(n-1)/2 ] if this is not among 0,a(1),...,a(n-1), else a(n)=4*n.
%C A050135 Does this sequence contain every positive integer exactly once?
%Y A050135 Sequence in context: A014391 A099286 A089729 this_sequence A109595 A071832 
               A091475
%Y A050135 Adjacent sequences: A050132 A050133 A050134 this_sequence A050136 A050137 
               A050138
%K A050135 nonn
%O A050135 1,2
%A A050135 Clark Kimberling (ck6(AT)evansville.edu)