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A043096
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Numbers in which every pair of adjacent digits are distinct.
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31
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 67, 68, 69
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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COMMENTS
| Superset of A010784. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 20 2008]
Complement of A171901; A196368(a(n)) = 1. [Reinhard Zumkeller, Oct 28 2001]
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LINKS
| Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
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EXAMPLE
| 11 is the first number not in the sequence, since it has a pair of identical adjacent digits.
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PROG
| (Haskell)
import Data.List (elemIndices)
a043096 n = a043096_list !! n
a043096_list = elemIndices 1 a196368_list
-- Reinhard Zumkeller, Oct 28 2001
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CROSSREFS
| Sequence in context: A167520 A051882 A136002 * A160542 A010784 A059543
Adjacent sequences: A043093 A043094 A043095 * A043097 A043098 A043099
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KEYWORD
| nonn,base
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AUTHOR
| Clark Kimberling (ck6(AT)evansville.edu)
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EXTENSIONS
| Offset corrected by Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 28 2011
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