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A215332 Smooth Lyndon words with 5 colors. 1
1, 5, 4, 11, 26, 71, 173, 450, 1132, 2898, 7393, 18987, 48796, 125963, 325786, 845153, 2197255, 5725849 (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

Table of n, a(n) for n=0..17.

EXAMPLE

(See A215331).

CROSSREFS

Cf. A215332 (smooth necklaces, 5 colors), A215327 (smooth necklaces, 3 colors).

Sequence in context: A166549 A232894 A262902 * A131875 A095871 A284551

Adjacent sequences:  A215329 A215330 A215331 * A215333 A215334 A215335

KEYWORD

nonn,more

AUTHOR

Joerg Arndt, Aug 08 2012

STATUS

approved

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Last modified November 18 17:56 EST 2017. Contains 294894 sequences.