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

A184766

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

Terms

    a(0) =424a(1) =8272a(2) =108496a(3) =1792144a(4) =27993232a(5) =454774672a(6) =7339536784a(7) =119205236368

External references