Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 7.

A244708

Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 7.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =6a(4) =15a(5) =31a(6) =74a(7) =159a(8) =363a(9) =799a(10) =1800a(11) =3988a(12) =8945a(13) =19893a(14) =44486a(15) =99153a(16) =221520a(17) =494187a(18) =1103789a(19) =2463834a(20) =5502927a(21) =12288076a(22) =27448039a(23) =61308387a(24) =136966368a(25) =305999360a(26) =683733350a(27) =1527844853a(28) =3414432569a(29) =7631131801

External references