Number of (n+1) X 4 0..2 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases.

A206680

Number of (n+1) X 4 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) =1404a(1) =9792a(2) =89022a(3) =645144a(4) =5747676a(5) =41876592a(6) =373903296a(7) =2722587120a(8) =24304785252a(9) =176985022704

External references