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.

A252780

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.

Terms

    a(0) =0a(1) =0a(2) =840a(3) =12477384a(4) =2545607472a(5) =116307115440

External references