Number of defective 3-colorings of an n X 4 0..2 array connected diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

A229681

Number of defective 3-colorings of an n X 4 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) =360a(2) =10896a(3) =186576a(4) =2700432a(5) =35485776a(6) =437924880a(7) =5169543120a(8) =59031049104a(9) =656886585168

External references