A074265 Values of Kolakoski sequence A000002 at positions n = 0 mod 5.

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

Offset: 1

Author

Jon Perry, Sep 20 2002

Keywords

• nonn
• easy

Examples

			The Kolakoski sequence begins 1,2,2,1,1,2,1,2,2,1,2,2,1,1,2,1,1,..., and the values at positions 5, 10, 15 are 1, 1, 2, so this sequence begins 1, 1, 2, ...
		

Links

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

Formula

a(n) = A000002(5n).

Extensions

Extended and offset changed by Nathaniel Johnston, May 02 2011