Half the number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having two or four distinct clockwise edge differences.
A209507
Half the number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having two or four distinct clockwise edge differences.
Terms
- a(0) =243a(1) =2559a(2) =27225a(3) =290493a(4) =3102219a(5) =33137271a(6) =353991129a(7) =3781613733a(8) =40398442707a(9) =431571603279
External references
- oeis: A209507