249651

Appears in sequences

• Number A(n,k) of tilings of a k X n rectangle using right trominoes and 1 X 1 tiles; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=60A220054
• Number of tilings of a 5 X n rectangle using right trominoes and 1 X 1 tiles.at n=5A220055
• Number of tilings of an n X n square using right trominoes and 1 X 1 tiles.at n=5A220061