Number of tilings of an n X n square using dominoes and right trominoes.

A219994

Number of tilings of an n X n square using dominoes and right trominoes.

Terms

    a(0) =1a(1) =0a(2) =2a(3) =8a(4) =380a(5) =21272a(6) =5350806a(7) =3238675344

External references