Number of defective 3-colorings of an n X n 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
A229579
Number of defective 3-colorings of an n X n 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
Terms
- a(0) =0a(1) =6a(2) =264a(3) =19764a(4) =2865780a(5) =890824020a(6) =613195191972
External references
- oeis: A229579