Equals one maps: number of n X 5 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, vertical and antidiagonal neighbors in a random 0..3 n X 5 array.

A221023

Equals one maps: number of n X 5 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, vertical and antidiagonal neighbors in a random 0..3 n X 5 array.

Terms

    a(0) =16a(1) =726a(2) =30167a(3) =1038208a(4) =33512960a(5) =1073575936a(6) =34359074816

External references