Number of n X 6 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
A268902
Number of n X 6 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =240a(1) =9720a(2) =299088a(3) =8250912a(4) =214142760a(5) =5344944120a(6) =129834259704
External references
- oeis: A268902