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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.

A244706 Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 5.

Table of values

n a(n)
6 1
7 1
8 3
9 6
10 15
11 31
12 72
13 153
14 346
15 752
16 1673
17 3661
18 8108
19 17814
20 39349
21 86646
22 191251
23 421596
24 930519
25 2052789
26 4531648
27 10002857
28 22088709
29 48780279
30 107757048
31 238069894
32 526096509
33 1162775782
34 2570487392
35 5683401236
36 12568472173
37 27799055016
38 61496981626

List of values

[1, 1, 3, 6, 15, 31, 72, 153, 346, 752, 1673, 3661, 8108, 17814, 39349, 86646, 191251, 421596, 930519, 2052789, 4531648, 10002857, 22088709, 48780279, 107757048, 238069894, 526096509, 1162775782, 2570487392, 5683401236, 12568472173, 27799055016, 61496981626]

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

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