The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A089589 Iban numbers (the letter i is banned from the English name of the number). 10
 0, 1, 2, 3, 4, 7, 10, 11, 12, 14, 17, 20, 21, 22, 23, 24, 27, 40, 41, 42, 43, 44, 47, 70, 71, 72, 73, 74, 77, 100, 101, 102, 103, 104, 107, 110, 111, 112, 114, 117, 120, 121, 122, 123, 124, 127, 140, 141, 142, 143, 144, 147, 170, 171, 172, 173, 174, 177, 200, 201 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Blind numbers. - Cino Hilliard, May 03 2004 There are 30276 terms, ending in 777777. - Michael S. Branicky, Aug 04 2022 LINKS Michael S. Branicky, Table of n, a(n) for n = 1..30276 (full sequence; terms 1..10000 from Reinhard Zumkeller) Roel and Bas van Dijk, Numerals package, Hackage (Haskell packages). Eric Weisstein's World of Mathematics, Iban Number Wikipedia, Names of Large Numbers Index entries for sequences related to number of letters in n PROG (Haskell) import Data.Maybe (fromJust) import Data.Text (Text); import qualified Data.Text as T (all) import Text.Numeral.Grammar.Reified (defaultInflection) import qualified Text.Numeral.Language.EN as EN -- see link a089589 n = a089589_list !! (n-1) a089589_list = filter (T.all (/= 'i') . numeral) [0..] where numeral :: Integer -> Text numeral = fromJust . EN.gb_cardinal defaultInflection -- Reinhard Zumkeller, Jan 23 2015 (Python) from itertools import islice from num2words import num2words def agen(): yield from (k for k in range(10**6) if "i" not in num2words(k)) print(list(islice(agen(), 60))) # Michael S. Branicky, Aug 04 2022 CROSSREFS Cf. A006933 (ban e), A008521 (ban o), A008523 (ban t), A089590 (ban u). Sequence in context: A082673 A080724 A342780 * A047546 A266530 A266510 Adjacent sequences: A089586 A089587 A089588 * A089590 A089591 A089592 KEYWORD nonn,easy,word,fini,full AUTHOR Eric W. Weisstein, Nov 09 2003 STATUS approved

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

Last modified June 2 14:40 EDT 2023. Contains 363097 sequences. (Running on oeis4.)