Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 6.

A244460

Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 6.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =1a(7) =2a(8) =2a(9) =2a(10) =2a(11) =2a(12) =4a(13) =7a(14) =12a(15) =16a(16) =21a(17) =25a(18) =34a(19) =47a(20) =70a(21) =103a(22) =147a(23) =201a(24) =276a(25) =377a(26) =527a(27) =743a(28) =1057a(29) =1486

External references