Number of n X 3 binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
A269006
Number of n X 3 binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =2a(1) =8a(2) =46a(3) =224a(4) =1066a(5) =4952a(6) =22654a(7) =102416a(8) =458674a(9) =2038328a(10) =8999374a(11) =39512144a(12) =172645498a(13) =751190504a(14) =3256354942a(15) =14069557088a(16) =60610482274a(17) =260412843944
External references
- oeis: A269006