

A247806


Numbers in decimal representation with distinct digits, such that in Hungarian their digits are in alphabetic order.


17



0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 24, 25, 28, 29, 30, 32, 34, 35, 36, 37, 38, 39, 40, 45, 48, 60, 62, 64, 65, 67, 68, 69, 70, 72, 74, 75, 78, 79, 85, 90, 94, 95, 98, 105, 108, 120, 124, 125, 128, 129, 130, 132, 134, 135
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OFFSET

1,3


COMMENTS

List of decimal digits, alphabetically sorted by their names in Hungarian:
1 _ egy, 3 _ három, 6 _ hat, 7 _ hét, 2 _ kettő, 9 _ kilenc, 4 _ négy, 0 _ nulla, 8 _ nyolc, 5 _ öt;
finite sequence with last and largest term a(1020) = 1367294085.


LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..1020
Wikipedia, Zahlen in unterschiedlichen Sprachen
Wikipedia, List of numbers in various languages


PROG

(Haskell)
import Data.IntSet (fromList, deleteFindMin, union)
import qualified Data.IntSet as Set (null)
a247806 n = a247806_list !! (n1)
a247806_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 = [1, 3, 6, 7, 2, 9, 4, 0, 8, 5]


CROSSREFS

Intersection of A010784 and A247756.
Cf. A247800 (Czech), A247801 (Danish), A247802 (Dutch), A053433 (English), A247803 (Finnish), A247804 (French), A247805 (German), A247807 (Italian), A247808 (Latin), A247809 (Norwegian), A247810 (Polish), A247807 (Portuguese), A247811 (Russian), A247812 (Slovak), A247813 (Spanish), A247809 (Swedish), A247814 (Turkish).
Sequence in context: A249626 A102823 A179308 * A247801 A004775 A231238
Adjacent sequences: A247803 A247804 A247805 * A247807 A247808 A247809


KEYWORD

nonn,base,word,fini,full


AUTHOR

Reinhard Zumkeller, Oct 05 2014


STATUS

approved



