Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 5.

A244706

Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 5.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =6a(4) =15a(5) =31a(6) =72a(7) =153a(8) =346a(9) =752a(10) =1673a(11) =3661a(12) =8108a(13) =17814a(14) =39349a(15) =86646a(16) =191251a(17) =421596a(18) =930519a(19) =2052789a(20) =4531648a(21) =10002857a(22) =22088709a(23) =48780279a(24) =107757048a(25) =238069894a(26) =526096509a(27) =1162775782a(28) =2570487392a(29) =5683401236

External references