Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 6.

A244707

Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 6.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =6a(4) =15a(5) =31a(6) =74a(7) =157a(8) =359a(9) =786a(10) =1766a(11) =3895a(12) =8710a(13) =19287a(14) =42987a(15) =95437a(16) =212468a(17) =472204a(18) =1050940a(19) =2337221a(20) =5201558a(21) =11573156a(22) =25759514a(23) =57332239a(24) =127633669a(25) =284148877a(26) =632704464a(27) =1408925270a(28) =3137861761a(29) =6989057709

External references