12836880

Appears in sequences

• Triangle read by rows giving number of rooted labeled trees with n >= 2 nodes and height d >= 1.at n=32A034855
• a(n) = n!*(4*n^3 - 30*n^2 + 40*n + 3)/24.at n=5A034863
• a(5) = 5, a(6) = 1170, for n >= 7, a(n) = n!*(4*n^3 - 30*n^2 + 40*n + 3)/24.at n=4A034864