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Search: id:A139282
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| A139282 |
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Form a sequence of words as follows: look to the left, towards the beginning of the sequence and write down the number of vowels you see; repeat; then replace the words by the corresponding numbers. |
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+0
2
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OFFSET
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0,2
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COMMENT
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The sequence of words is: zero, two, three, five, seven, nine, eleven, fourteen, ...
Hyphens and spaces are not counted.
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REFERENCES
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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
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The second word is "our" (and so a(2)=2), because at the end of the first word we can see two vowels (the vowels in "zero") to the left.
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CROSSREFS
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For a French version see A139282.
Sequence in context: A065130 A023535 A056834 this_sequence A066824 A036963 A120431
Adjacent sequences: A139279 A139280 A139281 this_sequence A139283 A139284 A139285
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KEYWORD
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nonn,word,easy,more
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Jun 08 2008
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