Number of (n+1)X6 0..2 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors.

A206125

Number of (n+1)X6 0..2 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors.

Terms

    a(0) =6386a(1) =93582a(2) =1622095a(3) =31537842a(4) =619611200a(5) =12251680342a(6) =242348711498

External references