Number of n X 3 binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
A268881
Number of n X 3 binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =2a(1) =14a(2) =84a(3) =462a(4) =2418a(5) =12252a(6) =60666a(7) =295230a(8) =1417452a(9) =6732102a(10) =31690914a(11) =148080468a(12) =687592338a(13) =3175567374a(14) =14597507076a(15) =66827528094a(16) =304831251762
External references
- oeis: A268881