Number of tilings of an n X n square using monominoes and trominoes of any shape.
A270071
Number of tilings of an n X n square using monominoes and trominoes of any shape.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =93a(4) =7517a(5) =2501946a(6) =3473827027
External references
- oeis: A270071