Equals one maps: number of n X n binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 n X n array.

A220573

Equals one maps: number of n X n binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 n X n array.

Terms

    a(0) =1a(1) =8a(2) =91a(3) =17505a(4) =3162375a(5) =4239598056

External references