Number of n X n binary arrays with every 1 immediately preceded by 0 to the left or above.

A203356

Number of n X n binary arrays with every 1 immediately preceded by 0 to the left or above.

Terms

    a(0) =1a(1) =7a(2) =102a(3) =5677a(4) =984703a(5) =572818585

External references