Half the number of nXnXnXn triangular pyramidal binary arrays with the number of 0-0 adjacencies equal to the number of 1-1 adjacencies.
A183290
Half the number of nXnXnXn triangular pyramidal binary arrays with the number of 0-0 adjacencies equal to the number of 1-1 adjacencies.
Terms
- a(0) =1a(1) =3a(2) =75a(3) =43857a(4) =960006269
External references
- oeis: A183290