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A247812
Numbers in decimal representation with distinct digits, such that in Slovak their digits are in alphabetic order.
17
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 15, 16, 17, 18, 20, 21, 23, 24, 25, 26, 27, 28, 43, 53, 54, 56, 57, 63, 64, 73, 74, 76, 83, 84, 85, 86, 87, 90, 91, 92, 93, 94, 95, 96, 97, 98, 103, 104, 105, 106, 107, 108, 143, 153, 154, 156, 157, 163, 164, 173
OFFSET
1,3
COMMENTS
List of decimal digits, alphabetically sorted by their names in Slovak:
9 _ deväť, 2 _ dva/dvaja/dve, 1 _ jeden/jedna/jedno, 0 _ nula, 8 _ osem, 5 _ päť, 7 _ sedem, 6 _ šesť, 4 _ štyri /štyria, 3 _ tri/traja;
finite sequence with last and largest term a(960) = 9210857643.
PROG
(Haskell)
import Data.IntSet (fromList, deleteFindMin, union)
import qualified Data.IntSet as Set (null)
a247812 n = a247812_list !! (n-1)
a247812_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 = [9, 2, 1, 0, 8, 5, 7, 6, 4, 3]
CROSSREFS
Intersection of A010784 and A247762.
Cf. A247800 (Czech), A247801 (Danish), A247802 (Dutch), A053433 (English), A247803 (Finnish), A247804 (French), A247805 (German), A247806 (Hungarian), A247807 (Italian), A247808 (Latin), A247809 (Norwegian), A247810 (Polish), A247807 (Portuguese), A247811 (Russian), A247813 (Spanish), A247809 (Swedish), A247814 (Turkish).
Sequence in context: A367600 A023779 A367611 * A050724 A336813 A209860
KEYWORD
nonn,base,word,fini,full
AUTHOR
Reinhard Zumkeller, Oct 05 2014
STATUS
approved