Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 0.
A255083
Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 0.
Terms
- a(0) =108a(1) =522a(2) =1824a(3) =9484a(4) =70938a(5) =753882a(6) =10823026a(7) =176178559a(8) =3305817620a(9) =82918328052
External references
- oeis: A255083