cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A244710 Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 9.

Table of values

n a(n)
10 1
11 1
12 3
13 6
14 15
15 31
16 74
17 159
18 365
19 805
20 1817
21 4035
22 9072
23 20221
24 45328
25 101263
26 226767
27 507067
28 1135206
29 2539827
30 5685851
31 12725874
32 28491634
33 63785789
34 142828392
35 319826118
36 716260116
37 1604170013
38 3593139239
39 8048694851
40 18030750419
41 40395321587
42 90506748160

List of values

[1, 1, 3, 6, 15, 31, 74, 159, 365, 805, 1817, 4035, 9072, 20221, 45328, 101263, 226767, 507067, 1135206, 2539827, 5685851, 12725874, 28491634, 63785789, 142828392, 319826118, 716260116, 1604170013, 3593139239, 8048694851, 18030750419, 40395321587, 90506748160]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.