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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.

A019428 Continued fraction for tan(1/5).

Table of values

n a(n)
0 0
1 4
2 1
3 13
4 1
5 23
6 1
7 33
8 1
9 43
10 1
11 53
12 1
13 63
14 1
15 73
16 1
17 83
18 1
19 93
20 1
21 103
22 1
23 113
24 1
25 123
26 1
27 133
28 1
29 143
30 1
31 153
32 1
33 163
34 1
35 173
36 1
37 183
38 1
39 193
40 1
41 203
42 1
43 213
44 1
45 223
46 1
47 233
48 1
49 243
50 1
51 253
52 1
53 263
54 1
55 273
56 1
57 283
58 1
59 293
60 1
61 303
62 1
63 313
64 1
65 323
66 1
67 333
68 1
69 343
70 1
71 353
72 1
73 363
74 1

List of values

[0, 4, 1, 13, 1, 23, 1, 33, 1, 43, 1, 53, 1, 63, 1, 73, 1, 83, 1, 93, 1, 103, 1, 113, 1, 123, 1, 133, 1, 143, 1, 153, 1, 163, 1, 173, 1, 183, 1, 193, 1, 203, 1, 213, 1, 223, 1, 233, 1, 243, 1, 253, 1, 263, 1, 273, 1, 283, 1, 293, 1, 303, 1, 313, 1, 323, 1, 333, 1, 343, 1, 353, 1, 363, 1]

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