1819731

Appears in sequences

• Triangle read by rows: T(k,n) (k >= 0, n = 0, ..., k) = number of tilings of a k X n rectangle using 2 X 2 tiles, right trominoes and dominoes.at n=40A354010
• Number of tilings of a 4 X n rectangle using 2 X 2 tiles, right trominoes and dominoes.at n=8A354012