Number of nXnXn triangular 0..5 arrays with some element plus some adjacent element totalling 5+1, 5 or 5-1 exactly once.
A270847
Number of nXnXn triangular 0..5 arrays with some element plus some adjacent element totalling 5+1, 5 or 5-1 exactly once.
Terms
- a(0) =0a(1) =66a(2) =1650a(3) =108348a(4) =15754872a(5) =5805948474
External references
- oeis: A270847