Number of defective 3-colorings of an n X 7 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
A229693
Number of defective 3-colorings of an n X 7 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
Terms
- a(0) =120a(1) =20691a(2) =1400413a(3) =75035643a(4) =3583403667a(5) =159377253183
External references
- oeis: A229693