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A043532 Number of distinct base-5 digits of n. 1
1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 3, 3, 3, 2, 1, 2, 2, 2, 3, 2, 2, 3, 3, 3, 2, 3, 2, 3, 3, 2, 3, 3, 2, 2, 3, 2, 3, 3, 3, 2, 2, 3, 3, 2, 2, 1, 2, 2, 3, 3, 2, 2, 3, 3, 3, 2, 3, 2, 2, 3, 3, 2, 3, 3, 2, 3, 2, 3, 3, 3, 2, 2, 3, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

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

MATHEMATICA

f[n_]:=Length[Select[DigitCount[n, 5], #!=0&]]; Array[f, 100] (* Harvey P. Dale, May 11 2011 *)

CROSSREFS

Cf. A007091.

Sequence in context: A194823 A098396 A297773 * A043557 A055027 A214574

Adjacent sequences:  A043529 A043530 A043531 * A043533 A043534 A043535

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 24 06:56 EDT 2021. Contains 346273 sequences. (Running on oeis4.)