Number of n X 5 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two not more than once.
A268968
Number of n X 5 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two not more than once.
Terms
- a(0) =144a(1) =3312a(2) =63792a(3) =1125360a(4) =18852912a(5) =305242992a(6) =4823705520a(7) =74858700528
External references
- oeis: A268968