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A043537
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Number of distinct base 10 digits of n.
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29
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1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,10
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COMMENTS
| a(A000079(A130694(n))) = 10. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 29 2007
a(A000290(A016070(n))) = 2. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 05 2010]
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LINKS
| R. Zumkeller, Table of n, a(n) for n = 1..10000
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PROG
| (Haskell)
import Data.List (nub)
a043537 = length . nub . show -- Reinhard Zumkeller, Apr 16 2011
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CROSSREFS
| Cf. A047726, A118668, A119797, A119798, A119799, A119823, A038378, A076493.
Cf. A055642, A178788. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 30 2010]
Sequence in context: A043536 A043561 A043562 * A047726 A043563 A043538
Adjacent sequences: A043534 A043535 A043536 * A043538 A043539 A043540
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KEYWORD
| nonn,base,easy
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AUTHOR
| Clark Kimberling (ck6(AT)evansville.edu)
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