1/32 the number of (n+1) X 7 binary arrays with equal numbers of 2 X 2 subblocks with sum mod two being 0 and 1.
A183769
1/32 the number of (n+1) X 7 binary arrays with equal numbers of 2 X 2 subblocks with sum mod two being 0 and 1.
Terms
- a(0) =160a(1) =14784a(2) =1555840a(3) =173065984a(4) =19855042560
External references
- oeis: A183769