75664

Appears in sequences

• Number of Hamiltonian rooted triangulations with n internal nodes and 4 external nodes.at n=5A003123
• Triangle read by rows: T(n,k) = number of functions from an n-element set into but not onto a k-element set.at n=39A101030
• Array read by antidiagonals: T(n,k) is the number of Hamiltonian rooted triangulations with n internal nodes and k + 3 external nodes, n >= 0, k >= 0.at n=26A391153