13311144

Appears in sequences

• 7-idempotent numbers.at n=5A050989
• Number of labeled forests with 2n nodes consisting of n-1 isolated nodes and a labeled tree with n+1 nodes.at n=5A332958
• Triangle read by rows: T(n,k) is the number of labeled forests with n trees and 2n nodes and with the largest tree having exactly k nodes, (n >= 1, 2 <= k <= n+1).at n=20A332959