460494

Appears in sequences

• Number of nXnXn triangular 0..3 arrays with some element plus some adjacent element totalling 3+1, 3 or 3-1 exactly once.at n=6A270845
• 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=42A270850
• 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=2A270856