Number of (n+2)X(4+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.
A257383
Number of (n+2)X(4+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) =24720784a(1) =343435024a(2) =2462144400a(3) =17165192256a(4) =188932792896
External references
- oeis: A257383