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

A206679

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

Terms

    a(0) =306a(1) =1728a(2) =9792a(3) =55836a(4) =317736a(5) =1809324a(6) =10300608a(7) =58646916a(8) =333899064a(9) =1901032092a(10) =10823363424a(11) =61621963812a(12) =350839639224

External references