A074264 Values of Kolakoski sequence A000002 at positions n = 0 mod 3.

2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2

Offset

1,1

Links

Nathaniel Johnston, Table of n, a(n) for n = 1..10000

Example

The Kolakoski sequence (A000002) begins 1,2,2,1,1,2,1,2,2,1,2,2... At n=3,6,9,12, A000002(n) is 2,2,2,2

Crossrefs

Cf. A074265.

Sequence in context: A357299 A263109 A044926 * A194302 A194294 A263110

Adjacent sequences: A074261 A074262 A074263 * A074265 A074266 A074267

Keyword

nonn,easy

Author

Jon Perry, Sep 20 2002

Extensions

Corrected offset from Nathaniel Johnston, May 02 2011

Status

approved