Number of nXnXn triangular 0..4 arrays with some element plus some adjacent element totalling 4 exactly once.
A270253
Number of nXnXn triangular 0..4 arrays with some element plus some adjacent element totalling 4 exactly once.
Terms
- a(0) =0a(1) =48a(2) =4428a(3) =772056a(4) =308256072a(5) =302595682944
External references
- oeis: A270253