479040

Appears in sequences

• Number of dyslexic rooted compound windmills with n nodes where any 2 submills extending from the same node are different.at n=19A032235
• Number T(n,k) of permutations of {1,2,...,n} that result in a binary search tree of height k; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=62A195581