Number of edges in all noncrossing forests on n nodes on a circle.

A045739

Number of edges in all noncrossing forests on n nodes on a circle.

Terms

    a(0) =1a(1) =9a(2) =70a(3) =535a(4) =4101a(5) =31633a(6) =245512a(7) =1915875a(8) =15020545a(9) =118231212a(10) =933812892a(11) =7397179309a(12) =58746824150a(13) =467602683135

External references