This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A247757 Numbers in decimal representation, such that in Italian and Portuguese their digits are in alphabetic order. 17
 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, 31, 33, 40, 41, 43, 44, 46, 47, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 63, 66, 67, 70, 71, 73, 77, 80, 81, 83, 84, 86, 87, 88, 90, 91, 93, 94, 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 Italian resp. Portuguese:  5 _ cinque _ cinco, 2 _ due _ dois/duas, 9 _ nove _ nove, 8 _ otto _ oito, 4 _ quattro _ quatro, 6 _ sei _ seis, 7 _ sette _ sete, 3 _ tre _ tres, 1 _ uno _ um, 0 _ zero _ zero; a(129217) = A247807(1023) = 5298467310 is the greatest term not containing any repeating digits. LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 Wikipedia, Zahlen in unterschiedlichen Sprachen Wikipedia, List of numbers in various languages PROG (Haskell) import Data.IntSet (fromList, deleteFindMin, union) a247757 n = a247757_list !! (n-1) a247757_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 = [5, 2, 9, 8, 4, 6, 7, 3, 1, 0] CROSSREFS Cf. A247807 (subsequence). Cf. A247750 (Czech), A247751 (Danish), A247752 (Dutch), A053432 (English), A247753 (Finnish), A247754 (French), A247755 (German), A247756 (Hungarian), A247758 (Latin), A247759 (Norwegian), A247760 (Polish), A247761 (Russian), A247762 (Slovak), A161390 (Spanish), A247759 (Swedish), A247764 (Turkish). Sequence in context: A275413 A273376 A247758 * A247754 A084383 A032873 Adjacent sequences:  A247754 A247755 A247756 * A247758 A247759 A247760 KEYWORD nonn,base,word AUTHOR Reinhard Zumkeller, Oct 05 2014 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified March 21 07:23 EDT 2019. Contains 321367 sequences. (Running on oeis4.)