Number of defective 3-colorings of a 4 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
A229640
Number of defective 3-colorings of a 4 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
Terms
- a(0) =0a(1) =202a(2) =1496a(3) =10227a(4) =77620a(5) =535671a(6) =3723370a(7) =25022190a(8) =166505166a(9) =1090285513a(10) =7066637900a(11) =45333775056a(12) =288422981684
External references
- oeis: A229640