1/4 the number of (n+1) X 5 0..3 arrays with every 2 X 2 subblock having distinct clockwise edge differences.
A209712
1/4 the number of (n+1) X 5 0..3 arrays with every 2 X 2 subblock having distinct clockwise edge differences.
Terms
- a(0) =8876a(1) =614935a(2) =40731729a(3) =2744311427a(4) =183988612894
External references
- oeis: A209712