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A080029
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a(n) is taken to be the smallest positive integer not already present which is consistent with the condition "n is a member of the sequence if and only if a(n) is a multiple of 3".
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4
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0, 2, 3, 6, 5, 9, 12, 8, 15, 18, 11, 21, 24, 14, 27, 30, 17, 33, 36, 20, 39, 42, 23, 45, 48, 26, 51, 54, 29, 57, 60, 32, 63, 66, 35, 69, 72, 38, 75, 78, 41, 81, 84, 44, 87, 90, 47, 93, 96, 50, 99, 102, 53, 105, 108, 56, 111, 114, 59, 117, 120, 62, 123, 126, 65, 129, 132, 68
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| B. Cloitre, N. J. A. Sloane and M. J. Vandermast, Numerical analogues of Aronson's sequence, J. Integer Seqs., Vol. 6 (2003), #03.2.2.
B. Cloitre, N. J. A. Sloane and M. J. Vandermast, Numerical analogues of Aronson's sequence (math.NT/0305308)
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FORMULA
| a(3m)=6m, a(3m+1)=3m+2, a(3m+2)=6m+3.
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CROSSREFS
| Cf. A079000, A079313, A080030, A080031.
Sequence in context: A035493 A070038 A119790 * A091239 A145110 A043547
Adjacent sequences: A080026 A080027 A080028 * A080030 A080031 A080032
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KEYWORD
| easy,nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Mar 14 2003
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EXTENSIONS
| More terms from Matthew Vandermast (ghodges14(AT)comcast.net), Mar 20 2003
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