A283512 Last block of length-n to appear for the first time in the Kolakoski sequence K (A000002).

2, 11, 212, 2121, 21211, 121121, 2212212, 22122121, 221221211, 2212212112, 22122121122, 112212211211, 1122122112112, 11221221121121, 112212211211212, 1122122112112122, 11211212212211211, 112212211211212211, 1211212212112212212, 12112122121122122121, 121121221211221221211

Offset

1,1

Links

Table of n, a(n) for n=1..21.

Example

For n = 4 the last block of length 4 to appear is 2121.

Crossrefs

Cf. A000002, A007782, A283511.

Sequence in context: A020450 A036229 A104337 * A214217 A042805 A088639

Adjacent sequences: A283509 A283510 A283511 * A283513 A283514 A283515

Keyword

nonn

Author

Jeffrey Shallit, Mar 09 2017

Status

approved