958018305487
domain: N
Appears in sequences
- Number of nXnXn triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= 7.at n=12A166202
- Number of 12 X 12 X 12 triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= n.at n=7A166220