Number of rooted trees with n nodes and 6 leaves.

Terms

a(0) =1a(1) =6a(2) =30a(3) =120a(4) =416a(5) =1268a(6) =3499a(7) =8833a(8) =20730a(9) =45625a(10) =95052a(11) =188638a(12) =358822a(13) =657169a(14) =1163791a(15) =1999495a(16) =3343038a(17) =5452829a(18) =8696613a(19) =13587910a(20) =20834487a(21) =31396728a(22) =46563312a(23) =68041054a(24) =98068941a(25) =139551650a(26) =196226198a(27) =272854810a(28) =375461896