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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.

A138015 Triangle read by rows, antidiagonals of an array formed by A000012 * A136579. Replace the term "n" in the correlation triangle A003983 with A003422(n).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 2
9 2
10 1
11 1
12 2
13 4
14 2
15 1
16 1
17 2
18 4
19 4
20 2
21 1
22 1
23 2
24 4
25 10
26 4
27 2
28 1
29 1
30 2
31 4
32 10
33 10
34 4
35 2
36 1
37 1
38 2
39 4
40 10
41 34
42 10
43 4
44 2
45 1
46 1
47 2
48 4
49 10
50 34
51 34
52 10
53 4
54 2
55 1
56 1
57 2
58 4
59 10
60 34
61 154
62 34
63 10
64 4
65 2
66 1
67 1
68 2
69 4
70 10
71 34
72 154
73 154
74 34
75 10
76 4
77 2
78 1

List of values

[1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 4, 2, 1, 1, 2, 4, 4, 2, 1, 1, 2, 4, 10, 4, 2, 1, 1, 2, 4, 10, 10, 4, 2, 1, 1, 2, 4, 10, 34, 10, 4, 2, 1, 1, 2, 4, 10, 34, 34, 10, 4, 2, 1, 1, 2, 4, 10, 34, 154, 34, 10, 4, 2, 1, 1, 2, 4, 10, 34, 154, 154, 34, 10, 4, 2, 1]

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