Number of 5Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically.
A206938
Number of 5Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically.
Terms
- a(0) =20a(1) =400a(2) =2791a(3) =35277a(4) =418876a(5) =4293648a(6) =48992069a(7) =546661165a(8) =5986733234a(9) =66776396560a(10) =740545952667
External references
- oeis: A206938