Number of (n+2)X(3+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 and no column sum 0.
A254973
Number of (n+2)X(3+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 and no column sum 0.
Terms
- a(0) =1008a(1) =6915a(2) =49040a(3) =260705a(4) =1592767a(5) =9673960a(6) =57587977a(7) =343845199a(8) =2068795871a(9) =12385458149a(10) =74216785472a(11) =444890709067
External references
- oeis: A254973