70678

Appears in sequences

• Number of planted matched trees with n nodes.at n=9A005750
• Number of self-converse oriented trees with n nodes.at n=18A007748
• Number of planar partitions of n with exactly 3 rows.at n=21A091357
• Number of compositions of n such that the set of parts and the set of multiplicities of parts are disjoint.at n=23A336032
• Array read by antidiagonals: T(n,k) is the number of unlabeled oriented edge-rooted k-gonal 2-trees with n oriented polygons, n >= 0, k >= 2.at n=64A340814