Calculate Kolakoski Sequence and Kolakoski Constant

Compute Kolakoski Sequence and check against known value of Kolakoski Constant.

• Kolakoski first terms:

  1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, ...

• Kolakoski Constant first terms (from a "Kolakoski Constant to 25000 digits as computed by Olivier Gerard in April 1998":

  0.7945071927794792762...

For more info on this sequence, see: https://en.wikipedia.org/wiki/Kolakoski_sequence