Number of rooted trees with n nodes such that no more than nine subtrees of the same size extend from the same node.
A318803
Number of rooted trees with n nodes such that no more than nine subtrees of the same size extend from the same node.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =4a(5) =9a(6) =20a(7) =48a(8) =115a(9) =286a(10) =719a(11) =1841a(12) =4764a(13) =12481a(14) =32960a(15) =87776a(16) =235286a(17) =634585a(18) =1720432a(19) =4686643a(20) =12820514a(21) =35205695a(22) =97009447a(23) =268152808a(24) =743354184a(25) =2066114828a(26) =5756601016a(27) =16075023964a(28) =44982030666a(29) =126114489722
External references
- oeis: A318803