Total number of W shapes in all tilings of a 5 X n rectangle with pentominoes of any shape.
A247743
Total number of W shapes in all tilings of a 5 X n rectangle with pentominoes of any shape.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =48a(5) =528a(6) =4752a(7) =44080a(8) =408192a(9) =3738692a(10) =32818416a(11) =282587664a(12) =2417602560a(13) =20523442012a(14) =172798010156
External references
- oeis: A247743