Number of nX3 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than itself.

A196425

Number of nX3 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than itself.

Terms

    a(0) =5a(1) =123a(2) =1377a(3) =27583a(4) =452252a(5) =7435275a(6) =126914055a(7) =2139217341a(8) =36014080137a(9) =607371115906

External references