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 A247810 Numbers in decimal representation with distinct digits, such that in Polish their digits are in alphabetic order. 17
 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 15, 16, 17, 18, 20, 21, 23, 25, 26, 27, 28, 29, 30, 40, 41, 42, 43, 45, 46, 47, 48, 49, 50, 53, 56, 57, 60, 63, 67, 70, 73, 80, 83, 85, 86, 87, 90, 91, 93, 95, 96, 97, 98, 130, 150, 153, 156, 157, 160, 163, 167, 170, 173 (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; finite sequence with last and largest term a(1023) = 4291856730. LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..1023 PROG (Haskell) import Data.IntSet (fromList, deleteFindMin, union) import qualified Data.IntSet as Set (null) a247810 n = a247810_list !! (n-1) a247810_list = 0 : f (fromList [1..9]) where f s | Set.null s = [] | otherwise = x : f (s' `union` fromList (map (+ 10 * x) \$ tail \$ dropWhile (/= mod x 10) digs)) where (x, s') = deleteFindMin s digs = [4, 2, 9, 1, 8, 5, 6, 7, 3, 0] CROSSREFS Intersection of A010784 and A247760. Cf. A247800 (Czech), A247801 (Danish), A247802 (Dutch), A053433 (English), A247803 (Finnish), A247804 (French), A247805 (German), A247806 (Hungarian), A247807 (Italian), A247808 (Latin), A247809 (Norwegian), A247807 (Portuguese), A247811 (Russian), A247812 (Slovak), A247813 (Spanish), A247809 (Swedish), A247814 (Turkish). Sequence in context: A194403 A305707 A161979 * A247800 A092968 A177053 Adjacent sequences: A247807 A247808 A247809 * A247811 A247812 A247813 KEYWORD nonn,base,word,fini,full AUTHOR Reinhard Zumkeller, Oct 05 2014 STATUS approved

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Last modified May 18 02:52 EDT 2024. Contains 372617 sequences. (Running on oeis4.)