Kolakoski sequence
= Kolakoski sequence
{c}
A sequence equal to its own sequence of consecutive run lengths. The classical sequence uses the alphabet $\{1,2\}$ and begins $1,2,2,1,1,2,1,2,2,\ldots$; variants use other pairs of positive integers.
= Kolakoski sequence
{c}
A sequence equal to its own sequence of consecutive run lengths. The classical sequence uses the alphabet $\{1,2\}$ and begins $1,2,2,1,1,2,1,2,2,\ldots$; variants use other pairs of positive integers.