A368829 Numbers with the same number of zeros and letters O in their French name.

0, 1, 2, 4, 5, 6, 7, 8, 9, 13, 15, 16, 17, 18, 19, 21, 22, 24, 25, 26, 27, 28, 29, 31, 32, 34, 35, 36, 37, 38, 39, 41, 42, 44, 45, 46, 47, 48, 49, 51, 52, 54, 55, 56, 57, 58, 59, 60, 70, 81, 82, 84, 85, 86, 87, 88, 89, 93, 95, 96, 97, 98, 99, 103, 113, 115, 116, 117, 118, 119, 121, 122, 124, 125, 126, 127, 128, 129

Offset

1,3

Links

Table of n, a(n) for n=1..78.

Example

0 = zérO (one 0 and one O), 1 = un (no 0 and no O), 2 = deux (no 0 and no O), 4 = quatre (no 0 and no O), 5 = cinq (no 0 and no O), etc.
3 is not in the sequence as (3 = trOis) is a contradiction, as are (10 = dix), (11 = Onze), (12 = dOuze), (14 = quatOrze), etc.

Mathematica

Select[Range[0, 129], Count[IntegerDigits[#], 0]==Count[Characters[IntegerName[#, "French"]], "o"]&] (* Ivan N. Ianakiev, Jan 08 2024 *)

Crossrefs

Cf. A368828 (English name).

Sequence in context: A167493 A372119 A328107 * A039121 A138367 A360501

Adjacent sequences: A368826 A368827 A368828 * A368830 A368831 A368832

Keyword

base,nonn,word

Author

Eric Angelini, Jan 07 2024

Status

approved