Number of (n+2)X(2+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.
A257381
Number of (n+2)X(2+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) =119716a(1) =1444804a(2) =20611600a(3) =343435024a(4) =5413133476a(5) =81296835876
External references
- oeis: A257381