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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.

A319136 Number of complete planar branching factorizations of n.

Table of values

n a(n)
1 0
2 1
3 1
4 1
5 1
6 2
7 1
8 3
9 1
10 2
11 1
12 9
13 1
14 2
15 2
16 11
17 1
18 9
19 1
20 9
21 2
22 2
23 1
24 44
25 1
26 2
27 3
28 9
29 1
30 18
31 1
32 45
33 2
34 2
35 2
36 66
37 1
38 2
39 2
40 44
41 1
42 18
43 1
44 9
45 9
46 2
47 1
48 225
49 1
50 9
51 2
52 9
53 1
54 44
55 2
56 44
57 2
58 2
59 1
60 132
61 1
62 2
63 9
64 197
65 2
66 18
67 1
68 9
69 2
70 18
71 1
72 450
73 1
74 2
75 9
76 9
77 2
78 18
79 1
80 225

List of values

[0, 1, 1, 1, 1, 2, 1, 3, 1, 2, 1, 9, 1, 2, 2, 11, 1, 9, 1, 9, 2, 2, 1, 44, 1, 2, 3, 9, 1, 18, 1, 45, 2, 2, 2, 66, 1, 2, 2, 44, 1, 18, 1, 9, 9, 2, 1, 225, 1, 9, 2, 9, 1, 44, 2, 44, 2, 2, 1, 132, 1, 2, 9, 197, 2, 18, 1, 9, 2, 18, 1, 450, 1, 2, 9, 9, 2, 18, 1, 225]

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