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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.

A097545 Numerators of "Farey fraction" approximations to Pi.

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 3
5 4
6 7
7 10
8 13
9 16
10 19
11 22
12 25
13 47
14 69
15 91
16 113
17 135
18 157
19 179
20 201
21 223
22 245
23 267
24 289
25 311
26 333
27 355
28 688
29 1043
30 1398
31 1753
32 2108
33 2463
34 2818
35 3173
36 3528
37 3883
38 4238
39 4593
40 4948
41 5303
42 5658
43 6013
44 6368
45 6723
46 7078
47 7433
48 7788
49 8143
50 8498
51 8853

List of values

[1, 0, 1, 2, 3, 4, 7, 10, 13, 16, 19, 22, 25, 47, 69, 91, 113, 135, 157, 179, 201, 223, 245, 267, 289, 311, 333, 355, 688, 1043, 1398, 1753, 2108, 2463, 2818, 3173, 3528, 3883, 4238, 4593, 4948, 5303, 5658, 6013, 6368, 6723, 7078, 7433, 7788, 8143, 8498, 8853]