Sum of the common path length over all 2-tuples of nodes in a complete binary tree of height n.

A286778

Sum of the common path length over all 2-tuples of nodes in a complete binary tree of height n.

Terms

    a(0) =0a(1) =2a(2) =22a(3) =142a(4) =734a(5) =3390a(6) =14718a(7) =61694a(8) =253438a(9) =1029118a(10) =4151294a(11) =16683006a(12) =66904062a(13) =267993086a(14) =1072791550a(15) =4292935678a(16) =17175543806a(17) =68710301694a(18) =274858508286

External references