Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 n X n array.

A217542

Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 n X n array.

Terms

    a(0) =3a(1) =3a(2) =81a(3) =1401a(4) =128051a(5) =22263471a(6) =12094757481

External references