258006388

Appears in sequences

• Number of defective 3-colorings of an n X 6 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.at n=4A229692
• Number of defective 3-colorings of a 5 X n 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.at n=5A229698