1/32 the number of (n+1) X 5 binary arrays with equal numbers of 2 X 2 subblocks with sum mod two being 0 and 1.
A183767
1/32 the number of (n+1) X 5 binary arrays with equal numbers of 2 X 2 subblocks with sum mod two being 0 and 1.
Terms
- a(0) =12a(1) =280a(2) =7392a(3) =205920a(4) =5912192a(5) =173065984a(6) =5134924800a(7) =153876579840
External references
- oeis: A183767