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