Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 or 1 and no column sum 0 or 1.
A255024
Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 or 1 and no column sum 0 or 1.
Terms
- a(0) =601a(1) =3015a(2) =17447a(3) =92217a(4) =480456a(5) =2547757a(6) =13460633a(7) =71027915a(8) =375675337a(9) =1985308048a(10) =10482759493a(11) =55378851627a(12) =292644335768
External references
- oeis: A255024