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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.

A126988 Triangle read by rows: T(n,k) = n/k if k is a divisor of n; T(n,k) = 0 if k is not a divisor of n (1 <= k <= n).

Table of values

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

List of values

[1, 2, 1, 3, 0, 1, 4, 2, 0, 1, 5, 0, 0, 0, 1, 6, 3, 2, 0, 0, 1, 7, 0, 0, 0, 0, 0, 1, 8, 4, 0, 2, 0, 0, 0, 1, 9, 0, 3, 0, 0, 0, 0, 0, 1, 10, 5, 0, 0, 2, 0, 0, 0, 0, 1, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 12, 6, 4, 3, 0, 2, 0, 0, 0, 0, 0, 1]

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