The number of trees with 5 nodes labeled by positive integers, where each tree's label sum is n.

Terms

a(0) =3a(1) =9a(2) =24a(3) =50a(4) =96a(5) =164a(6) =267a(7) =408a(8) =603a(9) =856a(10) =1186a(11) =1598a(12) =2115a(13) =2742a(14) =3505a(15) =4411a(16) =5489a(17) =6746a(18) =8215a(19) =9904a(20) =11849a(21) =14059a(22) =16573a(23) =19401a(24) =22586a(25) =26138a(26) =30103a(27) =34493a(28) =39357a(29) =44707