58923059879
domain: N
Appears in sequences
- Number of lower triangles of an n X n -1..1 array with all row and column sums zero.at n=8A195515
- T(n,k) = Number of lower triangles of an n X n -k..k array with all row and column sums zero.at n=44A195522
- T(n,k) is the number of lower triangles of an n X n 0..k array with all row sums equal to the length of the row and all column sums equal to the length of the column.at n=53A195644