Number of 4Xn binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two not more than once.
A268998
Number of 4Xn binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two not more than once.
Terms
- a(0) =16a(1) =126a(2) =849a(3) =6009a(4) =37987a(5) =244397a(6) =1506570a(7) =9258784a(8) =55904997a(9) =335264275a(10) =1991983545a(11) =11763490813a(12) =69051103048a(13) =403375829894
External references
- oeis: A268998