Number of permutations of {1,2,...,2n} that result in a binary search tree of height n.

A265846

Number of permutations of {1,2,...,2n} that result in a binary search tree of height n.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =80a(4) =11360a(5) =1508032a(6) =197163648a(7) =27624399104

External references