It'd be good to indicate which kolakoski sequence you mean since I can find at least two different ones
1. wikipedia = http://oeis.org/A000002
2. wolfram mathworld = http://oeis.org/A006928
it is https://oeis.org/A000002
Back to basics 21 - Matrix replicating
Rotate a Matrix by 90 degrees
Set the array elements whose value is 13 to 0
Max index of 3D array
Length of a short side
Calculate the h-index
Collaborative Fun : Nomination
Graph Algorithms - 2 : Chromatic Number
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