Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum 2 and no antidiagonal sum 2 and no row sum 0 and no column sum 0.
A255784
Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum 2 and no antidiagonal sum 2 and no row sum 0 and no column sum 0.
Terms
- a(0) =90a(1) =270a(2) =1050a(3) =5240a(4) =43838a(5) =597517a(6) =10902535a(7) =269859998a(8) =9457603649a(9) =445467783893
External references
- oeis: A255784