Equals one maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 3Xn array.
A220918
Equals one maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 3Xn array.
Terms
- a(0) =1a(1) =38a(2) =379a(3) =3687a(4) =30963a(5) =253013a(6) =2042071a(7) =16390010a(8) =131304057a(9) =1051088784a(10) =8410953281a(11) =67295527293a(12) =538391560268
External references
- oeis: A220918