Number of rooted identity trees with n nodes and exactly 9 subtrees from the root.

A227813

Number of rooted identity trees with n nodes and exactly 9 subtrees from the root.

Terms

    a(0) =6a(1) =57a(2) =331a(3) =1534a(4) =6271a(5) =23458a(6) =82376a(7) =275587a(8) =887706a(9) =2773137a(10) =8448475a(11) =25203966a(12) =73869495a(13) =213244665a(14) =607595613a(15) =1711636481a(16) =4774000801a(17) =13198942637a(18) =36208850834a(19) =98645557887a(20) =267081435051a(21) =719094529584

External references