601944

Appears in sequences

• Irregular array, read by rows: T(n,k) is the number of labeled acyclic digraphs with n nodes and k arcs (n >= 0, 0 <= k <= n*(n-1)/2).at n=47A081064
• Number of consistent sets of 5 irreflexive binary order relationships over n objects.at n=3A147821
• Number of partitions of 0 having positive part-sum <= n.at n=18A209536