2545607472

Appears in sequences

• Number T(n,m) of ways of 4-coloring an n X m grid so that there is no rectangle with all 4 corners the same color.at n=9A200045
• Number of ways of n-coloring the square grid graph G_(4,4) such that no rectangle exists with sides parallel to the axes having all 4 corners of the same color.at n=4A252780