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A247760 Numbers in decimal representation, such that in Polish their digits are in alphabetic order. 17
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, 30, 33, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 53, 55, 56, 57, 60, 63, 66, 67, 70, 73, 77, 80, 83, 85, 86, 87, 88, 90, 91, 93, 95, 96, 97, 98, 99, 100, 110 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
List of decimal digits, alphabetically sorted by their names in Polish:
4 _ cztery, 2 _ dwa/dwie, 9 _ dziewięć, 1 _ jeden/jedna/jedno, 8 _ osiem, 5 _ pięć, 6 _ sześć, 7 _ siedem, 3 _ trzy, 0 _ zero;
a(1134871) = A247810(1023) = 4291856730 is the greatest term not containing any repeating digits.
LINKS
PROG
(Haskell)
import Data.IntSet (fromList, deleteFindMin, union)
a247760 n = a247760_list !! (n-1)
a247760_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 = [4, 2, 9, 1, 8, 5, 6, 7, 3, 0]
CROSSREFS
Cf. A247810 (subsequence).
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).
Sequence in context: A178156 A334294 A177054 * A247750 A051534 A032961
KEYWORD
nonn,base,word
AUTHOR
Reinhard Zumkeller, Oct 05 2014
STATUS
approved

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Last modified June 21 06:38 EDT 2024. Contains 373540 sequences. (Running on oeis4.)