Number of nXnXn triangular 0..5 arrays with some element plus some adjacent element totalling 5 exactly once.
A270254
Number of nXnXn triangular 0..5 arrays with some element plus some adjacent element totalling 5 exactly once.
Terms
- a(0) =0a(1) =72a(2) =14976a(3) =7876728a(4) =12712991544
External references
- oeis: A270254