%I #9 Apr 13 2021 22:58:40
%S 1,10,11,101,110,1001,10001,10010,10011,100001,100010,100011,100101,
%T 100110,101001,110001,110010,1000001,10000001,100000001,100000010,
%U 100000011,100000101,100000110,100001001,100010001,100010010,100010011
%N Lexicographically earliest strictly increasing base2 autovarious sequence: a(n) = number of distinct a(k) mod 2^n (written in base 2).
%C The first a(n) elements include all a(n) residues mod 2^n.
%Y Cf. A037091.
%K nonn,base
%O 0,2
%A _David W. Wilson_
