Number of (n+1) X 3 0..3 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases.

A207793

Number of (n+1) X 3 0..3 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases.

Terms

    a(0) =2208a(1) =37408a(2) =643968a(3) =11074704a(4) =190505040a(5) =3276916896a(6) =56368726448a(7) =969636795792

External references