1781325

Appears in sequences

• Number of noncrossing trees with n edges in which no border edges emanate from the root.at n=11A102594
• a(n) = n*(n+1)*(n+2)*(n+3)*(n+4)/8.at n=25A151974
• a(n) = 3*binomial(n+1,6).at n=24A253943