712320

Appears in sequences

• Erroneous version of A342587.at n=25A008285
• Number of labeled order relations on n nodes in which longest chain has n-2 nodes.at n=4A055534
• Triangle, read by rows: T(n,k) is the number of labeled order relations on n nodes in which the longest chain has k nodes (n>=1, 1<=k<=n).at n=25A342587