Number of 'tree-like curves' with n intersection points.

A118814

Number of 'tree-like curves' with n intersection points.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =18a(4) =70a(5) =323a(6) =1683a(7) =9690a(8) =59917a(9) =388894a(10) =2606742a(11) =17869870a(12) =124516636a(13) =878591340

External references