Number of (n+2) X (n+2) 0..1 arrays with no 3 X 3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1.
A255093
Number of (n+2) X (n+2) 0..1 arrays with no 3 X 3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1.
Terms
- a(0) =36a(1) =189a(2) =1838a(3) =25413a(4) =554091a(5) =19198366a(6) =1018478173a(7) =83424236667
External references
- oeis: A255093