1408886
domain: N
Appears in sequences
- Number of 4 X 4 X 4 triangular 0..n arrays with every horizontal row nondecreasing, first elements of rows nonincreasing, last elements of rows nondecreasing, and every row having the same average value.at n=25A215184
- Number of pairs of disjoint subsets of 1..n^2 of size 2*floor(n/2) having equal sum.at n=4A362291