Number of (n+1)X(n+1) binary arrays with every 2X2 subblock nonsingular.

A183681

Number of (n+1)X(n+1) binary arrays with every 2X2 subblock nonsingular.

Terms

    a(0) =6a(1) =32a(2) =256a(3) =3472a(4) =73344a(5) =2542368a(6) =140090240a(7) =12503757968

External references