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 A085513 Number of "e"s in n (in English). 6
 1, 1, 0, 2, 0, 1, 0, 2, 1, 1, 1, 3, 2, 2, 2, 2, 2, 4, 3, 3, 1, 2, 1, 3, 1, 2, 1, 3, 2, 2, 0, 1, 0, 2, 0, 1, 0, 2, 1, 1, 0, 1, 0, 2, 0, 1, 0, 2, 1, 1, 0, 1, 0, 2, 0, 1, 0, 2, 1, 1, 0, 1, 0, 2, 0, 1, 0, 2, 1, 1, 2, 3, 2, 4, 2, 3, 2, 4, 3, 3, 1, 2, 1, 3, 1, 2, 1, 3, 2, 2, 1, 2, 1, 3, 1, 2, 1, 3, 2, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 COMMENTS a(A006933(n)) = 0; a(A008520(n)) > 0. - Reinhard Zumkeller, Jan 23 2015 a(A006933(n)) = 0; a(A008520(n)) > 0; a(A121065(n)) = n and a(m) != n for m < A121065(n). - Reinhard Zumkeller, Jan 24 2015 LINKS Reinhard Zumkeller, Table of n, a(n) for n = 0..10000 Roel and Bas van Dijk, Numerals package, Hackage (Haskell packages) Robert G. Wilson v, English names for the numbers from 0 to 11159 without spaces or hyphens . Index entries for sequences related to number of letters in n EXAMPLE a(123) = 5 because "onE hundrEd twEnty-thrEE" has 5 e's. MATHEMATICA StringCount[IntegerName/@Range[0, 99], "e"] (* Ivan N. Ianakiev, Mar 25 2017 *) PROG (Haskell) import Data.Maybe (fromJust) import Data.Text (Text); import qualified Data.Text as T (unpack)) import Text.Numeral.Grammar.Reified (defaultInflection) import qualified Text.Numeral.Language.EN as EN -- see link a085513 = length . filter (== 'e') . T.unpack . numeral where numeral :: Integer -> Text numeral = fromJust . EN.gb_cardinal defaultInflection -- Reinhard Zumkeller, Jan 23 2015 (Python) from num2words import num2words def A085513(n): return num2words(n).count('e') # Chai Wah Wu, Dec 20 2019 CROSSREFS Cf. A005589. Cf. A006933, A008520. Sequence in context: A364916 A365923 A089650 * A362913 A259965 A117054 Adjacent sequences: A085510 A085511 A085512 * A085514 A085515 A085516 KEYWORD easy,nonn,word AUTHOR Samuel Thompson (samuelt(AT)ugcs.caltech.edu), Jul 03 2003 STATUS approved

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Last modified June 19 17:03 EDT 2024. Contains 373504 sequences. (Running on oeis4.)