Number of ordered unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 8.

A244537

Number of ordered unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 8.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =8a(9) =17a(10) =18a(11) =19a(12) =20a(13) =21a(14) =22a(15) =23a(16) =116a(17) =325a(18) =676a(19) =1080a(20) =1540a(21) =2059a(22) =2640a(23) =3286a(24) =5240a(25) =10241a(26) =20604a(27) =39305a(28) =68286a(29) =109705

External references