Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum.
A258676
Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum.
Terms
- a(0) =8320a(1) =67600a(2) =635440a(3) =5973136a(4) =51939888a(5) =451647504a(6) =4096960560a(7) =37164128400a(8) =329478755760
External references
- oeis: A258676