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A139132
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The following sequence of French words has the property that it tells which letters in the sequence are vowels: un, quatre, cinq, huit, dix, quatorze, quinze, dix-huit, vingt et un, vingt-deux, ... Now replace the words by their numerical values.
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0
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OFFSET
| 1,2
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COMMENTS
| If there is a choice, pick the smallest number (or word) that makes sense. Hyphens, accents and spaces are ignored.
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REFERENCES
| E. Angelini, "Jeux de suites", in Dossier Pour La Science, pp. 32-35, Volume 59 (Jeux math'), April/June 2008, Paris.
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EXAMPLE
| The first vowel is the "u" in "un", in position 1 (un), the second vowel is the "u" in "quatre", the fourth letter in the sentence (i.e. in position 4, quatre) and so on.
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CROSSREFS
| For an English version see A139133.
Sequence in context: A033157 A059659 A140459 * A022435 A190394 A116050
Adjacent sequences: A139129 A139130 A139131 * A139133 A139134 A139135
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KEYWORD
| nonn,word,easy,more
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com) (based on Angelini's article), Jun 08 2008
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