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A006346
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The Sally sequence: the length of repetition avoided in A006345.
(Formerly M0126)
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2
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0, 1, 1, 2, 1, 3, 1, 1, 3, 2, 1, 6, 3, 2, 1, 3, 1, 1, 6, 3, 2, 4, 1, 1, 3, 2, 1, 3, 1, 6, 4, 2, 1, 2, 4, 3, 1, 8, 3, 2, 1, 6, 3, 2, 1, 3, 1, 1, 6, 3, 2, 4, 1, 1, 3, 2, 1, 3, 1, 30, 6, 3, 2, 4, 1, 1, 3, 2, 1, 3, 1, 6, 4, 2, 1, 2, 4, 3, 1, 8, 3, 2, 1, 6, 3, 2, 1, 3, 1, 1, 6, 3, 2, 4, 1, 1, 3, 2, 1, 3, 1, 6, 4, 2
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,4
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COMMENTS
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Comment from T. D. Noe, Oct 14 2006: In the first 1000 terms, only patterns of lengths 0, 1, 2, 3, 4, 6, 8, 24, 30 and 108 are avoided.
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REFERENCES
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N. S. Hellerstein, personal communication to N. J. A. Sloane.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..1000
N. J. A. Sloane, Illustration of initial terms
Eric Weisstein's World of Mathematics, Sally Sequence.
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CROSSREFS
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Cf. A006345.
Sequence in context: A212623 A229214 A218578 * A088742 A144220 A156826
Adjacent sequences: A006343 A006344 A006345 * A006347 A006348 A006349
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KEYWORD
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nonn,nice,easy
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AUTHOR
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N. J. A. Sloane.
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EXTENSIONS
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More terms from Naohiro Nomoto, May 21 2001
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STATUS
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approved
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