1/4 the number of (n+1) X (n+1) binary arrays with equal numbers of 2 X 2 subblocks with sums 1 and 3.
A184595
1/4 the number of (n+1) X (n+1) binary arrays with equal numbers of 2 X 2 subblocks with sums 1 and 3.
Terms
- a(0) =2a(1) =24a(2) =1986a(3) =782948a(4) =1291076970
External references
- oeis: A184595