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 A203814 Number of numbers <= n having as many distinct digits as n has. 1
 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 13, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 14, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 15, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 16, 52, 53 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Reinhard Zumkeller, Table of n, a(n) for n = 0..10000 EXAMPLE a(9) = #{0, 1, 2, 3, 4, 5, 6, 7, 8, 9} = 10; a(10) = #{10} = 1; a(11) = #{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11} = 11; a(12) = #{10, 12} = 2. PROG (Haskell) a203814 n = length [x | x <- [0..n], a043537 x == a043537 n] CROSSREFS Cf. A043537. Sequence in context: A274206 A214949 A067453 * A280505 A262401 A118541 Adjacent sequences:  A203811 A203812 A203813 * A203815 A203816 A203817 KEYWORD nonn,base,look AUTHOR Reinhard Zumkeller, Jan 06 2012 STATUS approved

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Last modified January 22 18:06 EST 2019. Contains 319365 sequences. (Running on oeis4.)