Number of (n+2) X (4+2) 0..1 arrays with no 3 X 3 subblock diagonal sum zero and no antidiagonal sum three.
A256731
Number of (n+2) X (4+2) 0..1 arrays with no 3 X 3 subblock diagonal sum zero and no antidiagonal sum three.
Terms
- a(0) =73984a(1) =1648656a(2) =30294016a(3) =635846656a(4) =12465275904a(5) =249872016384
External references
- oeis: A256731