Number of nXnXn triangular 0..4 arrays with some element plus some adjacent element totalling 4+1, 4 or 4-1 exactly once.
A270846
Number of nXnXn triangular 0..4 arrays with some element plus some adjacent element totalling 4+1, 4 or 4-1 exactly once.
Terms
- a(0) =0a(1) =24a(2) =270a(3) =6822a(4) =307494a(5) =27582438a(6) =4875050400
External references
- oeis: A270846