Dominoes? More Like DominateDiscrete Mathematics Level 5
We place two dominoes on a \(6\times 20\) grid board in such way that the two dominoes do not intersect each other. How many ways can we do this?
A domino is a \(1\times 2\)(or \(2\times 1\)) rectangle that occupies two adjacent \(1\times 1\) squares.