Numbers of intervals for the pruning-grafting lattices of size n.

A152093

Numbers of intervals for the pruning-grafting lattices of size n.

Terms

    a(0) =1a(1) =3a(2) =15a(3) =101a(4) =818a(5) =7486a(6) =74648a(7) =793005a(8) =8843056a(9) =102464586

External references