

A053432


Numbers with digits in alphabetical order (in English).


19



0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 17, 20, 22, 30, 32, 33, 40, 41, 42, 43, 44, 46, 47, 49, 50, 51, 52, 53, 54, 55, 56, 57, 59, 60, 62, 63, 66, 70, 72, 73, 76, 77, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 96, 97, 99, 100
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OFFSET

1,3


COMMENTS

a(142447) = A053433(1023) = 8549176320 is the greatest term not containing any repeating digits.  Reinhard Zumkeller, Oct 05 2014


LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
Eric Weisstein's World of Mathematics, Word Sequence
Wikipedia, Zahlen in unterschiedlichen Sprachen
Wikipedia, List of numbers in various languages


PROG

(Haskell)
import Data.IntSet (fromList, deleteFindMin, union)
a053432 n = a053432_list !! (n1)
a053432_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 = [8, 5, 4, 9, 1, 7, 6, 3, 2, 0]
 Reinhard Zumkeller, Oct 05 2014.


CROSSREFS

Cf. A247750 (Czech), A247751 (Danish), A247752 (Dutch), A247753 (Finnish), A247754 (French), A247755 (German), A247756 (Hungarian), A247757 (Italian), A247758 (Latin), A247759 (Norwegian), A247760 (Polish), A247757 (Portuguese), A247761 (Russian), A247762 (Slovak), A161390 (Spanish), A247759 (Swedish), A247764 (Turkish).
Sequence in context: A023782 A114522 A283657 * A261888 A154125 A106039
Adjacent sequences: A053429 A053430 A053431 * A053433 A053434 A053435


KEYWORD

nonn,base,word,easy


AUTHOR

G. L. Honaker, Jr., Jan 10 2000


STATUS

approved



