Number of asymmetric (identity) trees with n nodes and 7 leaves.

Terms

a(0) =1a(1) =13a(2) =69a(3) =276a(4) =868a(5) =2380a(6) =5822a(7) =13110a(8) =27509a(9) =54583a(10) =103126a(11) =187035a(12) =327121a(13) =554450a(14) =913611a(15) =1468364a(16) =2307096a(17) =3551916a(18) =5367406a(19) =7974550a(20) =11664238a(21) =16817964a(22) =23927818a(23) =33626390a(24) =46715627a(25) =64208789a(26) =87371118a(27) =117777552