2775303

Appears in sequences

• (n-1)-st elementary symmetric function of the first n terms of A010684.at n=22A203230
• The number of nonequivalent root ancestral configurations in a recursively defined family of gene trees and species trees with at least n = 9 leaves, in which for n >= 12 leaves, 3-leaf trees are successively added at the root of the tree with n-3 leaves.at n=32A355118