4857647
domain: N
Appears in sequences
- Number of lower triangles of an n X n integer array with all row and column sums zero and all row and column sums of squares <=18.at n=5A195887
- T(n,k) = Number of lower triangles of an n X n integer array with all row and column sums zero and all row and column sums of squares <= 2k^2.at n=33A195892
- Number of lower triangles of a 6X6 integer array with all row and column sums zero and all row and column sums of squares <= 2n^2.at n=2A195894