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 A014254 Liponombres: numbers whose French name does not contain the letter "e". 6
 1, 3, 5, 6, 8, 10, 18, 20, 23, 25, 26, 28, 1000000, 1000001, 1000003, 1000005, 1000006, 1000008, 1000010, 1000018, 1000020, 1000023, 1000025, 1000026, 1000028, 3000000, 3000001, 3000003, 3000005, 3000006, 3000008, 3000010 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS In French also called: les nombres "évites" ou "apparés". Could also be called les nombres "epers". - Benoit Cloitre, May 05 2003 French version of eban numbers (A006933): no "e" in name of number in French - "e" perd ("e" lost)! REFERENCES Georges Perec, La disparition, Editions Gallimard, Paris, 1969; English translation: A Void, Harvill, 1994. (A novel that does not use the letter "e". These numbers are not mentioned, however.) LINKS Table of n, a(n) for n=1..32. N. Graner, Liponombres [<>] EXAMPLE a(1) = 1 ("un"), a(2) = 3 ("trois", not "dEux") PROG (PARI) is_A014254(n)=!setsearch(Set(Vec(French(n))), "e") \\ See A167507 for French(). - M. F. Hasler, Nov 11 2015 CROSSREFS Cf. A006933, A050280 (primes); A167507, A139212, A007005, A139121, A233185. Sequence in context: A084810 A364731 A268896 * A131422 A301744 A087720 Adjacent sequences: A014251 A014252 A014253 * A014255 A014256 A014257 KEYWORD nonn,word,fini AUTHOR Olivier Gérard EXTENSIONS Additional comments from Bruno Salvy (Bruno.Salvy(AT)inria.fr) and Nicolas Graner (Nicolas.Graner(AT)cri.u-psud.fr), May 11 2003 Corrected by Don Reble, Nov 19 2006 Edited by M. F. Hasler, Nov 11 2015 STATUS approved

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Last modified June 15 06:51 EDT 2024. Contains 373402 sequences. (Running on oeis4.)