4875050400
domain: N
Appears in sequences
- Number of nXnXn triangular 0..4 arrays with some element plus some adjacent element totalling 4+1, 4 or 4-1 exactly once.at n=6A270846
- T(n,k)=Number of nXnXn triangular 0..k arrays with some element plus some adjacent element totalling k+1, k or k-1 exactly once.at n=51A270850
- Number of 7 X 7 X 7 triangular 0..n arrays with some element plus some adjacent element totalling n+1, n or n-1 exactly once.at n=3A270856