Number of nX4 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element.
A283038
Number of nX4 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element.
Terms
- a(0) =2a(1) =68a(2) =818a(3) =9152a(4) =94368a(5) =931844a(6) =8912378a(7) =83420984a(8) =767704036a(9) =6973000128a(10) =62669779812a(11) =558371394860
External references
- oeis: A283038