Number of nXnXn triangular 0..7 arrays with some element plus some adjacent element totalling 7+1, 7 or 7-1 exactly once.
A270849
Number of nXnXn triangular 0..7 arrays with some element plus some adjacent element totalling 7+1, 7 or 7-1 exactly once.
Terms
- a(0) =0a(1) =198a(2) =24954a(3) =8559378a(4) =8746813158
External references
- oeis: A270849