A043533 Number of distinct base-6 digits of n.

1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 3, 3, 3, 3, 2, 1, 2, 2, 2, 2, 3, 2, 2, 3, 3, 3, 3, 2, 3, 2, 3, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 3, 2, 2, 3, 2, 3, 3, 3, 3, 2, 2, 3, 3, 3, 2, 2, 1, 2, 2, 2, 3

Offset

1,6

Links

Table of n, a(n) for n=1..90.

Mathematica

Table[Length[Union[IntegerDigits[n, 6]]], {n, 100}] (* Harvey P. Dale, Oct 16 2022 *)

Crossrefs

Cf. A007092.

Sequence in context: A244964 A096993 A297774 * A043558 A307359 A368860

Adjacent sequences: A043530 A043531 A043532 * A043534 A043535 A043536

Keyword

nonn,base

Author

Clark Kimberling

Status

approved