Number of (n+1)X(n+1) 0..1 arrays with the array of 2X2 subblock determinants antisymmetric under horizontal and vertical reflection and each non-centerline 2X2 subblock nonsingular.
A187629
Number of (n+1)X(n+1) 0..1 arrays with the array of 2X2 subblock determinants antisymmetric under horizontal and vertical reflection and each non-centerline 2X2 subblock nonsingular.
Terms
- a(0) =10a(1) =24a(2) =24a(3) =954a(4) =954a(5) =194008a(6) =194008a(7) =196196792a(8) =196196792
External references
- oeis: A187629