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A247753
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Numbers in decimal representation, such that in Finnish their digits are in alphabetic order.
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17
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 20, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 33, 34, 35, 36, 37, 39, 40, 41, 44, 45, 47, 49, 51, 55, 59, 60, 61, 64, 65, 66, 67, 69, 71, 75, 77, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 91, 99, 111, 200, 201, 205, 207, 209
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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COMMENTS
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List of decimal digits, alphabetically sorted by their names in Finnish:
8 _ kahdeksan, 2 _ kaksi, 3 _ kolme, 6 _ kuusi, 4 _ neljä, 0 _ nolla, 7 _ seitsemän, 5 _ viisi, 9 _ yhdeksän, 1 _ yksi;
a(143982) = A247803(1008) = 8236407591 is the greatest term not containing any repeating digits.
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LINKS
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PROG
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(Haskell)
import Data.IntSet (fromList, deleteFindMin, union)
a247753 n = a247753_list !! (n-1)
a247753_list = 0 : f (fromList [1..9]) where
f s = x : f (s' `union`
fromList (map (+ 10 * x) $ dropWhile (/= mod x 10) digs))
where (x, s') = deleteFindMin s
digs = [8, 2, 3, 6, 4, 0, 7, 5, 9, 1]
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CROSSREFS
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Cf. A247750 (Czech), A247751 (Danish), A247752 (Dutch), A053432 (English), A247754 (French), A247755 (German), A247756 (Hungarian), A247757 (Italian), A247758 (Latin), A247759 (Norwegian), A247760 (Polish), A247757 (Portuguese), A247761 (Russian), A247762 (Slovak), A161390 (Spanish), A247759 (Swedish), A247764 (Turkish).
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KEYWORD
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nonn,base,word
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AUTHOR
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STATUS
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approved
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