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 A247760 Numbers in decimal representation, such that in Polish their digits are in alphabetic order. 17

%I

%S 0,1,2,3,4,5,6,7,8,9,10,11,13,15,16,17,18,20,21,22,23,25,26,27,28,29,

%T 30,33,40,41,42,43,44,45,46,47,48,49,50,53,55,56,57,60,63,66,67,70,73,

%U 77,80,83,85,86,87,88,90,91,93,95,96,97,98,99,100,110

%N Numbers in decimal representation, such that in Polish their digits are in alphabetic order.

%C List of decimal digits, alphabetically sorted by their names in Polish:

%C 4 _ cztery, 2 _ dwa/dwie, 9 _ dziewięć, 1 _ jeden/jedna/jedno, 8 _ osiem, 5 _ pięć, 6 _ sześć, 7 _ siedem, 3 _ trzy, 0 _ zero;

%C a(1134871) = A247810(1023) = 4291856730 is the greatest term not containing any repeating digits.

%H Reinhard Zumkeller, <a href="/A247760/b247760.txt">Table of n, a(n) for n = 1..10000</a>

%H Wikipedia, <a href="http://de.wikipedia.org/wiki/Zahlen_in_unterschiedlichen_Sprachen#0_bis_10">Zahlen in unterschiedlichen Sprachen</a>

%H Wikipedia, <a href="http://en.wikipedia.org/wiki/List_of_numbers_in_various_languages">List of numbers in various languages</a>

%o import Data.IntSet (fromList, deleteFindMin, union)

%o a247760 n = a247760_list !! (n-1)

%o a247760_list = 0 : f (fromList [1..9]) where

%o f s = x : f (s' `union`

%o fromList (map (+ 10 * x) \$ dropWhile (/= mod x 10) digs))

%o where (x, s') = deleteFindMin s

%o digs = [4, 2, 9, 1, 8, 5, 6, 7, 3, 0]

%Y Cf. A247810 (subsequence).

%Y Cf. A247750 (Czech), A247751 (Danish), A247752 (Dutch), A053432 (English), A247753 (Finnish), A247754 (French), A247755 (German), A247756 (Hungarian), A247757 (Italian), A247758 (Latin), A247759 (Norwegian), A247757 (Portuguese), A247761 (Russian), A247762 (Slovak), A161390 (Spanish), A247759 (Swedish), A247764 (Turkish).

%K nonn,base,word

%O 1,3

%A _Reinhard Zumkeller_, Oct 05 2014

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Last modified April 24 12:01 EDT 2019. Contains 322429 sequences. (Running on oeis4.)