Number of (n+2)X(1+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum or central row sum less than the central column sum.
A257380
Number of (n+2)X(1+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum or central row sum less than the central column sum.
Terms
- a(0) =9300a(1) =119716a(2) =1719620a(3) =24720784a(4) =349003536a(5) =4925793856a(6) =69733153264a(7) =987300576900
External references
- oeis: A257380