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..3 3Xn array.
A221634
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..3 3Xn array.
Terms
- a(0) =1a(1) =38a(2) =395a(3) =3848a(4) =32149a(5) =261182a(6) =2095293a(7) =16774816a(8) =134213444a(9) =1073737004a(10) =8589926161a(11) =68719468238a(12) =549755798961
External references
- oeis: A221634