Number of rooted identity trees with n nodes and 7 leaves.

Terms

a(0) =12a(1) =145a(2) =911a(3) =4121a(4) =15029a(5) =47022a(6) =130895a(7) =332175a(8) =781542a(9) =1726194a(10) =3612937a(11) =7218784a(12) =13849864a(13) =25637680a(14) =45969845a(15) =80105273a(16) =136036089a(17) =225677767a(18) =366486971a(19) =583634189a(20) =912883787a(21) =1404372594a(22) =2127513223a(23) =3177300763