OFFSET
0,2
LINKS
J. Nilsson, A Space Efficient Algorithm for the Calculation of the Digit Distribution in the Kolakoski Sequence, arXiv preprint arXiv:1110.4228 [math.CO], 2011, J. Int. Seq. 15 (2012) #12.6.7
J. Nilsson, Letter Frequencies in the Kolakoski Sequence, Acta Physica Polonica A, 126 (2014), 549-552.
Michael Rao, Trucs et bidules sur la séquence de Kolakoski, 2012, in French.
EXAMPLE
The first entries of the Kolakoski sequence, A000002, are 1221121221... From this we see that a(0)=1, since the first letter is 1, and a(1)=5 since among the first 10 letters 5 of them are 1s.
CROSSREFS
KEYWORD
nonn
AUTHOR
Johan Nilsson, Sep 13 2011
EXTENSIONS
a(14) from Ed Wynn, Jun 24 2014
a(15)-a(19) from Richard P. Brent, Jul 02 2017
a(20) from Richard P. Brent, Mar 01 2018
STATUS
approved