Number of defective 3-colorings of an n X 3 0..2 array connected diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
A229505
Number of defective 3-colorings of an n X 3 0..2 array connected diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
Terms
- a(0) =0a(1) =48a(2) =480a(3) =4032a(4) =31104a(5) =228096a(6) =1617408a(7) =11197440a(8) =76142592a(9) =510603264a(10) =3386105856a(11) =22251552768a(12) =145118822400a(13) =940369969152
External references
- oeis: A229505