Number of nX4 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..3 nX4 array.

A218647

Number of nX4 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..3 nX4 array.

Terms

    a(0) =36a(1) =292a(2) =4946a(3) =82188a(4) =1374954a(5) =23370578a(6) =394655980a(7) =6688451956a(8) =113330380248

External references