editing

approved

Cf. A006933 ('Eban' numbers), A349887 (exactly one instance in English), A349888 (exactly two instances in English),

A349888 (exactly two instances in English),

nonn,changed,word,less

proposed

editing

editing

proposed

Numbers which, when written in french, French, contain exactly one instance of the letter E.

(Python)

from num2words import num2words

from unidecode import unidecode

def ok(n): return unidecode(num2words(n, lang='fr')).count("e") == 1

print([k for k in range(311) if ok(k)]) # Michael S. Branicky, Feb 19 2022

Cf. A006933 ('Eban' numbers), A349887 (exactly one instance in englishEnglish),

A349888 (exactly two instances in englishEnglish),

proposed

editing

editing

proposed

allocated for Carole DuboisNumbers which, when written in french, contain exactly one instance of the letter E.

0, 2, 4, 7, 9, 11, 12, 14, 15, 17, 19, 21, 22, 24, 27, 29, 40, 43, 45, 46, 48, 50, 53, 55, 56, 58, 60, 63, 65, 66, 68, 70, 78, 80, 81, 83, 85, 86, 88, 90, 98, 100, 101, 103, 105, 106, 108, 110, 118, 120, 123, 125, 126, 128, 300, 301, 303, 305, 306, 308, 310

1,2

ZERO(0) has one E (and is thus in the sequence), UN(1) has no E, DEUX(2) has one, TROIS(3) has none, QUATRE(4) has one E (and is thus in the sequence). etc.

Cf. A006933 ('Eban' numbers), A349887 (exactly one instance in english),

A349888 (exactly two instances in english),

allocated

nonn

Carole Dubois and Eric Angelini, Feb 19 2022

approved

editing

allocated for Carole Dubois

allocated

approved