Number of n X n integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.

A266095

Number of n X n integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.

Terms

    a(0) =1a(1) =5a(2) =64a(3) =929a(4) =53442a(5) =12401485a(6) =6206090116

External references