Total number of P shapes in all tilings of a 5 X n rectangle with pentominoes of any shape.
A247739
Total number of P shapes in all tilings of a 5 X n rectangle with pentominoes of any shape.
Terms
- a(0) =0a(1) =0a(2) =4a(3) =60a(4) =556a(5) =5328a(6) =45316a(7) =405636a(8) =3583136a(9) =30801264a(10) =261702184a(11) =2204389124a(12) =18485952896a(13) =154072120428
External references
- oeis: A247739