142259628

Appears in sequences

• Erroneous version of A342587.at n=30A008285
• Number of labeled order relations on n nodes in which longest chain has 3 nodes.at n=5A055532
• 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=30A342587