Number of n X 3 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once.
A269196
Number of n X 3 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once.
Terms
- a(0) =60a(1) =1284a(2) =25572a(3) =471492a(4) =8314020a(5) =142233732a(6) =2380537188a(7) =39186271044a(8) =636703584804
External references
- oeis: A269196