Number of rooted trees with n nodes and 8 leaves.

Terms

a(0) =1a(1) =8a(2) =52a(3) =270a(4) =1203a(5) =4682a(6) =16346a(7) =51901a(8) =151945a(9) =414116a(10) =1059945a(11) =2565394a(12) =5907070a(13) =13005279a(14) =27498902a(15) =56052155a(16) =110506991a(17) =211327231a(18) =393002091a(19) =712326630a(20) =1260881177a(21) =2183476067a(22) =3705027759a(23) =6169083918a(24) =10092371963