Number of defective 3-colorings of an n X 3 0..2 array connected diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
A229680
Number of defective 3-colorings of an n X 3 0..2 array connected diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
Terms
- a(0) =0a(1) =36a(2) =888a(3) =10896a(4) =108000a(5) =959040a(6) =7952256a(7) =62892288a(8) =480370176a(9) =3571983360a(10) =26000455680a(11) =185993957376
External references
- oeis: A229680