Number of (n+1) X 7 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock unequal to the number of counterclockwise edge increases.

A205821

Number of (n+1) X 7 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock unequal to the number of counterclockwise edge increases.

Terms

    a(0) =3672a(1) =28242a(2) =230532a(3) =2158482a(4) =20842578a(5) =206195280a(6) =2053746000a(7) =20547395916a(8) =205854316380

External references