Number of (n+2) X (2+2) 0..1 arrays with no 3 x 3 subblock diagonal sum equal to the antidiagonal sum.
A258675
Number of (n+2) X (2+2) 0..1 arrays with no 3 x 3 subblock diagonal sum equal to the antidiagonal sum.
Terms
- a(0) =1600a(1) =10000a(2) =67600a(3) =456976a(4) =2944656a(5) =18974736a(6) =125888400a(7) =835210000a(8) =5443488400a(9) =35477982736a(10) =233749042576
External references
- oeis: A258675