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

Author

Jon Perry, Sep 20 2002

Keywords

• nonn
• easy

Examples

			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
		

Links

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

Crossrefs

Cf. A000002, A074265.

Extensions

Corrected offset from Nathaniel Johnston, May 02 2011