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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, 14950221, 39110366, 102488189, 269002371, 707090144, 1861183842, 4905157159, 12942843383
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.
EXAMPLE
(See A215331).
CROSSREFS
Cf. A215332 (smooth necklaces, 5 colors), A215327 (smooth necklaces, 3 colors).
Sequence in context: A324781 A232894 A262902 * A298779 A131875 A095871
KEYWORD
nonn,more
AUTHOR
Joerg Arndt, Aug 08 2012
EXTENSIONS
More terms from Joerg Arndt, Jun 17 2019
STATUS
approved