Number of (n+1) X 2 0..3 arrays with every 2 X 2 subblock nonsingular.

A183702

Number of (n+1) X 2 0..3 arrays with every 2 X 2 subblock nonsingular.

Terms

    a(0) =192a(1) =2472a(2) =31800a(3) =409128a(4) =5263608a(5) =67718760a(6) =871232952a(7) =11208812712a(8) =144206530680

External references