Equals one maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and vertical neighbors in a random 0..2 nX4 array.
A220544
Equals one maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and vertical neighbors in a random 0..2 nX4 array.
Terms
- a(0) =8a(1) =176a(2) =3778a(3) =64968a(4) =1047584a(5) =16776012a(6) =268433898a(7) =4294965416a(8) =68719474278
External references
- oeis: A220544