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 equal to the central column sum.
A258561
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 equal to the central column sum.
Terms
- a(0) =11532a(1) =179776a(2) =2826448a(3) =44622400a(4) =702129040a(5) =11033401600a(6) =173567878848
External references
- oeis: A258561