Number of nX6 binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
A268884
Number of nX6 binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =20a(1) =475a(2) =9996a(3) =186732a(4) =3283890a(5) =55491832a(6) =911930096a(7) =14681855846a(8) =232688402028
External references
- oeis: A268884