Number of n X n 0..2 arrays with new values introduced in each row and column in sequential order starting with zero.

A268051

Number of n X n 0..2 arrays with new values introduced in each row and column in sequential order starting with zero.

Terms

    a(0) =1a(1) =2a(2) =18a(3) =1082a(4) =560778a(5) =2666449962

External references