login
A074265
Values of Kolakoski sequence A000002 at positions n = 0 mod 5.
2
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
1,3
LINKS
FORMULA
a(n) = A000002(5n).
EXAMPLE
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, ...
CROSSREFS
Sequence in context: A025142 A245936 A199596 * A254688 A002636 A353656
KEYWORD
nonn,easy
AUTHOR
Jon Perry, Sep 20 2002
EXTENSIONS
Extended and offset changed by Nathaniel Johnston, May 02 2011
STATUS
approved