1289285440

Appears in sequences

• Number of defective 4-colorings of an n X 5 0..3 array connected horizontally, antidiagonally and vertically with exactly two mistakes, and colors introduced in row-major 0..3 order.at n=5A229669
• Number of defective 4-colorings of an n X 6 0..3 array connected horizontally, antidiagonally and vertically with exactly two mistakes, and colors introduced in row-major 0..3 order.at n=4A229670