Number of noncrossing trees with n edges in which no border edges emanate from the root.
A102594
Number of noncrossing trees with n edges in which no border edges emanate from the root.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =7a(5) =42a(6) =245a(7) =1428a(8) =8379a(9) =49588a(10) =296010a(11) =1781325a(12) =10798788a(13) =65900296a(14) =404565252a(15) =2496994136a(16) =15486165555a(17) =96464124648a(18) =603262881620
External references
- oeis: A102594