Number of n X 3 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two not more than once.
A268966
Number of n X 3 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two not more than once.
Terms
- a(0) =24a(1) =240a(2) =2016a(3) =15552a(4) =114048a(5) =808704a(6) =5598720a(7) =38071296a(8) =255301632a(9) =1693052928a(10) =11125776384a(11) =72559411200a(12) =470184984576
External references
- oeis: A268966