105997283

Appears in sequences

• Number of lower triangles of an n X n -1..1 array with all row and column sums zero.at n=7A195515
• T(n,k) = Number of lower triangles of an n X n -k..k array with all row and column sums zero.at n=35A195522
• 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=43A195644