Number of (n+2)X(3+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.
A257382
Number of (n+2)X(3+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) =1719620a(1) =20611600a(2) =190904784a(3) =2462144400a(4) =38404362240a(5) =560006768896
External references
- oeis: A257382