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A247751 Numbers in decimal representation, such that in Danish their digits are in alphabetic order. 20
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 22, 23, 33, 40, 42, 43, 44, 46, 47, 48, 49, 50, 52, 53, 54, 55, 56, 57, 58, 59, 62, 63, 66, 67, 72, 73, 77, 82, 83, 86, 87, 88, 90, 92, 93, 96, 97, 98, 99, 100, 102, 103, 106, 107, 108 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

List of decimal digits, alphabetically sorted by their names in Danish:

1 _ en/et, 5 _ fem, 4 _ fire, 9 _ ni, 0 _ nul, 8 _ otte, 6 _ seks, 7 _ syv, 2 _ to, 3 _ tre;

a(124929) = A247801(992) = 1549086723 is the greatest term not containing any repeating digits.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Wikipedia, Zahlen in unterschiedlichen Sprachen

Wikipedia, List of numbers in various languages

PROG

(Haskell)

import Data.IntSet (fromList, deleteFindMin, union)

a247751 n = a247751_list !! (n-1)

a247751_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 = [1, 5, 4, 9, 0, 8, 6, 7, 2, 3]

CROSSREFS

Cf. A247801 (subsequence).

Cf. A247750 (Czech), A247752 (Dutch), A053432 (English), A247753 (Finnish), 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).

Sequence in context: A275776 A022465 A296762 * A059962 A057605 A110548

Adjacent sequences:  A247748 A247749 A247750 * A247752 A247753 A247754

KEYWORD

nonn,base,word

AUTHOR

Reinhard Zumkeller, Oct 05 2014

STATUS

approved

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Last modified March 25 10:08 EDT 2019. Contains 321469 sequences. (Running on oeis4.)