Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 8.

A244709

Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 8.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =6a(4) =15a(5) =31a(6) =74a(7) =159a(8) =365a(9) =803a(10) =1813a(11) =4022a(12) =9038a(13) =20128a(14) =45093a(15) =100656a(16) =225263a(17) =503320a(18) =1126045a(19) =2517487a(20) =5631913a(21) =12596046a(22) =28181168a(23) =63045684a(24) =141071758a(25) =315668674a(26) =706452161a(27) =1581088178a(28) =3538954508a(29) =7921759060

External references