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A038113
Lexicographically earliest strictly increasing base 4 autovarious sequence: a(n) = number of distinct a(k) mod 4^n (written in base 4).
0
1, 2, 11, 12, 21, 101, 1001, 1002, 1011, 10001, 10002, 10011, 10012, 10021, 10101, 11001, 11002, 100001, 100002, 100011, 100012, 100021, 100101, 101001, 101002, 101011, 110001, 110002, 110011, 110012, 110021, 110101, 111001, 111002, 200001
OFFSET
0,2
COMMENTS
The first a(n) elements include all a(n) residues mod 4^n.
CROSSREFS
Sequence in context: A271372 A053880 A063112 * A089600 A114034 A136970
KEYWORD
nonn,base
STATUS
approved