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A119799
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Numbers m such that m, m+1 and 2*m have the same number of distinct digits in decimal representation.
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4
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0, 1, 2, 3, 4, 12, 13, 14, 15, 16, 17, 18, 19, 20, 23, 24, 25, 26, 27, 28, 29, 30, 31, 34, 35, 36, 37, 38, 39, 40, 41, 42, 45, 46, 47, 48, 49, 50, 56, 57, 58, 59, 61, 72, 83, 94, 100, 102, 103, 104, 105, 107, 108, 112, 113, 114, 116, 121, 123, 124, 125, 127, 128, 129, 134
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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COMMENTS
| A043537(a(n)) = A043537(a(n)+1) = A043537(2*a(n));
intersection of A119797 and A119798.
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LINKS
| Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
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EXAMPLE
| m=59: m, m+1 and 2*m are composed of two distinct digits:
59, 59+1=60 and 2*59=118: therefore 59 is a term.
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PROG
| (Haskell)
a119799 n = a119799_list !! (n-1)
a119799_list = i a119797_list a119798_list where
i xs'@(x:xs) ys'@(y:ys) | x < y = i xs ys'
| x > y = i xs' ys
| otherwise = x : i xs ys
-- Reinhard Zumkeller, Jan 04 2012
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CROSSREFS
| Sequence in context: A099527 A096864 A013620 * A036779 A037339 A062946
Adjacent sequences: A119796 A119797 A119798 * A119800 A119801 A119802
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KEYWORD
| nonn,base
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AUTHOR
| Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 25 2006
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EXTENSIONS
| Offset fixed by Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 04 2012
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