Number of (n+1) X 5 0..3 arrays with every 2 X 3 or 3 X 2 subblock having an equal number of clockwise and counterclockwise edge increases.

A206748

Number of (n+1) X 5 0..3 arrays with every 2 X 3 or 3 X 2 subblock having an equal number of clockwise and counterclockwise edge increases.

Terms

    a(0) =139744a(1) =18037344a(2) =2475217568a(3) =343128343904

External references