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A215334 Smooth Lyndon words with 7 colors. 1
1, 7, 6, 17, 42, 119, 305, 829, 2196, 5907, 15863, 42842, 115845, 314368, 854647, 2329087, 6358855, 17393327, 47652117, 130752969, 359270784, 988458115, 2722792878 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
We call a Lyndon word (x[1],x[2],...,x[n]) smooth if abs(x[k]-x[k-1]) <= 1 for 2<=k<=n.
LINKS
EXAMPLE
(See A215333).
CROSSREFS
Cf. A215328 (smooth Lyndon words, 3 colors), A215327 (smooth necklaces, 3 colors).
Sequence in context: A078323 A099255 A198460 * A298377 A299244 A249114
KEYWORD
nonn,more
AUTHOR
Joerg Arndt, Aug 08 2012
EXTENSIONS
More terms from Joerg Arndt, Jun 17 2019
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)