Unmatched value maps: number of n X 3 binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 n X 3 array.
A218837
Unmatched value maps: number of n X 3 binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 n X 3 array.
Terms
- a(0) =4a(1) =20a(2) =93a(3) =436a(4) =2043a(5) =9573a(6) =44857a(7) =210190a(8) =984904a(9) =4615043a(10) =21625074a(11) =101330329a(12) =474811581a(13) =2224862385a(14) =10425214612a(15) =48850257184a(16) =228901534957
External references
- oeis: A218837