A294447 Lengths of square subwords (WW) of Kolakoski sequence A000002.

2, 4, 6, 18, 54

Offset

1,1

Comments

Carpi also shows that the Kolakoski sequence contains no cubes.

Links

Table of n, a(n) for n=1..5.

Arturo Carpi, On repeated factors in C∞-words, Information Processing Letters 52 (1994), 289-294.

Crossrefs

Cf. A000002.

Sequence in context: A233919 A111115 A195328 * A143085 A304756 A005227

Adjacent sequences: A294444 A294445 A294446 * A294448 A294449 A294450

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Nov 21 2017

Status

approved