Number of 5 X n 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
A268908
Number of 5 X n 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =0a(1) =6912a(2) =98496a(3) =1347192a(4) =17194680a(5) =214142760a(6) =2611960344a(7) =31382176824a(8) =372469407912
External references
- oeis: A268908