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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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1
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0, 2, 3, 5, 7, 9, 11, 14, 18, 22, 24, 27, 30, 31, 34, 37, 40, 41, 44, 47, 50, 51, 54, 57, 60, 61, 64, 67, 70, 72, 75, 79, 83, 87, 91, 95, 99, 103, 110, 116, 124, 132, 139, 147, 155, 163, 171, 180, 187, 196, 204, 210, 215, 222, 228, 235, 242, 248, 255, 262, 268, 275
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| The sequence of words is: zero, two, three, five, seven, nine, eleven, fourteen, ...
Hyphens and spaces are not counted.
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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 second word is "two" (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
| For a French version see A139212.
Sequence in context: A023535 A056834 A183140 * A066824 A036963 A120431
Adjacent sequences: A139279 A139280 A139281 * A139283 A139284 A139285
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KEYWORD
| nonn,word,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jun 08 2008
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EXTENSIONS
| Cross reference corrected by Sean A. Irvine (sairvin(AT)xtra.co.nz), Mar 15 2010
More terms from Sean A. Irvine (sairvin(AT)xtra.co.nz), Mar 15 2010
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