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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.

A046620 First denominator and then numerator of each element of the 1/5-Pascal triangle (by row), excluding 5's.

Table of values

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

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 6, 1, 1, 1, 1, 11, 12, 11, 1, 1, 1, 1, 16, 23, 23, 16, 1, 1, 1, 1, 21, 39, 46, 39, 21, 1, 1, 1, 1, 26, 1, 12, 1, 17, 1, 17, 1, 12, 26, 1, 1, 1, 1, 31, 86, 1, 29, 1, 34, 1, 29, 86, 31, 1, 1, 1, 1]