Number of rooted identity trees with n nodes and exactly 8 subtrees from the root.

A227812

Number of rooted identity trees with n nodes and exactly 8 subtrees from the root.

Terms

    a(0) =1a(1) =18a(2) =93a(3) =431a(4) =1664a(5) =5982a(6) =20059a(7) =64473a(8) =199450a(9) =600429a(10) =1765198a(11) =5093281a(12) =14461282a(13) =40514663a(14) =112199665a(15) =307665178a(16) =836401955a(17) =2256766751a(18) =6048944297a(19) =16118777953a(20) =42729253427a(21) =112746836489a(22) =296263589093a(23) =775585850534

External references