

A006346


The Sally sequence: the length of repetition avoided in A006345.
(Formerly M0126)


2



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
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OFFSET

1,4


COMMENTS

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.


REFERENCES

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).


LINKS

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.


CROSSREFS

Cf. A006345.
Sequence in context: A212623 A229214 A218578 * A088742 A144220 A156826
Adjacent sequences: A006343 A006344 A006345 * A006347 A006348 A006349


KEYWORD

nonn,nice,easy


AUTHOR

N. J. A. Sloane.


EXTENSIONS

More terms from Naohiro Nomoto, May 21 2001


STATUS

approved



