Number of n X 3 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
A289646
Number of n X 3 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
Terms
- a(0) =0a(1) =11a(2) =61a(3) =607a(4) =3160a(5) =31271a(6) =183390a(7) =1714758a(8) =10957160a(9) =97430209a(10) =660963859a(11) =5659723958a(12) =40059954256a(13) =334030499016
External references
- oeis: A289646