Number of n X 3 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
A268899
Number of n X 3 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =12a(1) =168a(2) =1584a(3) =12960a(4) =98496a(5) =715392a(6) =5038848a(7) =34712064a(8) =235146240a(9) =1572120576a(10) =10400182272a(11) =68205846528a(12) =444063596544
External references
- oeis: A268899