Number of n X n 0..4 arrays with each element equal to the number of its horizontal and vertical neighbors less than itself.

A196422

Number of n X n 0..4 arrays with each element equal to the number of its horizontal and vertical neighbors less than itself.

Terms

    a(0) =1a(1) =23a(2) =1377a(3) =1436945a(4) =9212529925

External references