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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.

A198333 Irregular triangle read by rows: row n is the pruning partition of the rooted tree with Matula-Goebel number n.

Table of values

n a(n)
1 1
2 2
3 1
4 2
5 1
6 2
7 2
8 2
9 2
10 2
11 1
12 3
13 1
14 3
15 1
16 2
17 2
18 1
19 2
20 2
21 1
22 2
23 2
24 2
25 3
26 2
27 3
28 2
29 3
30 2
31 2
32 2
33 1
34 4
35 2
36 3
37 1
38 2
39 3
40 1
41 4
42 1
43 2
44 3
45 1
46 2
47 3
48 2
49 2
50 2
51 1
52 2
53 3
54 2
55 4
56 1
57 2
58 2
59 2
60 1
61 2
62 3
63 1
64 3
65 3
66 2
67 4
68 1
69 2
70 3
71 2
72 2
73 3
74 2
75 2
76 2
77 1
78 5
79 1
80 2
81 2
82 2
83 1
84 2
85 3
86 2

List of values

[1, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 3, 1, 3, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 3, 2, 3, 2, 3, 2, 2, 2, 1, 4, 2, 3, 1, 2, 3, 1, 4, 1, 2, 3, 1, 2, 3, 2, 2, 2, 1, 2, 3, 2, 4, 1, 2, 2, 2, 1, 2, 3, 1, 3, 3, 2, 4, 1, 2, 3, 2, 2, 3, 2, 2, 2, 1, 5, 1, 2, 2, 2, 1, 2, 3, 2]

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