Number of labeled order relations on n nodes in which longest chain has 3 nodes.

A055532

Number of labeled order relations on n nodes in which longest chain has 3 nodes.

Terms

    a(0) =6a(1) =108a(2) =2310a(3) =65700a(4) =2583126a(5) =142259628a(6) =11012710470

External references