Number of n X 4 binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.
A269071
Number of n X 4 binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.
Terms
- a(0) =13a(1) =76a(2) =521a(3) =3288a(4) =20400a(5) =123976a(6) =742688a(7) =4397376a(8) =25791040a(9) =150081504a(10) =867569920a(11) =4986765312a(12) =28523566592a(13) =162453499008a(14) =921756644864
External references
- oeis: A269071