Number of defective 3-colorings of an n X n 0..2 array connected horizontally and vertically with exactly two mistakes, and colors introduced in row-major 0..2 order.
A229599
Number of defective 3-colorings of an n X n 0..2 array connected horizontally and vertically with exactly two mistakes, and colors introduced in row-major 0..2 order.
Terms
- a(0) =0a(1) =6a(2) =396a(3) =35182a(4) =5655616a(5) =1840258874
External references
- oeis: A229599