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A097354 Slowest increasing sequence in which a(n) > a(n-1) is the smallest number requiring (n+1) characters in French. 0
1, 6, 7, 12, 13, 17, 26, 27, 31, 33, 34, 43, 44, 54, 74, 84, 97, 154, 174, 184, 197, 254, 274, 284, 297, 397, 497, 1274, 1284, 1297, 1397, 1497, 2284 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

French as spoken in France is different from French as spoken in Belgium regarding the spelling of numbers. For instance, 74 is "soixante quatorze" (16 characters) in France while it is "septante quatre" (14 characters) in Belgium ... so this sequence varies according to the country!

LINKS

Table of n, a(n) for n=1..33.

N. Graner, compte

EXAMPLE

Smallest number written with two characters: "un" -> 1.

Smallest number written with three characters: "six" -> 6.

Smallest number written with four characters: "sept" -> 7.

CROSSREFS

Sequence in context: A011990 A105085 A287412 * A171153 A327313 A047225

Adjacent sequences:  A097351 A097352 A097353 * A097355 A097356 A097357

KEYWORD

easy,nonn,word

AUTHOR

Alexandre Wajnberg, Sep 17 2004

STATUS

approved

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Last modified July 9 11:02 EDT 2020. Contains 335543 sequences. (Running on oeis4.)