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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.

A265759 Numerators of primes-only best approximates (POBAs) to 1; see Comments.

Table of values

n a(n)
1 3
2 2
3 5
4 13
5 11
6 19
7 17
8 31
9 29
10 43
11 41
12 61
13 59
14 73
15 71
16 103
17 101
18 109
19 107
20 139
21 137
22 151
23 149
24 181
25 179
26 193
27 191
28 199
29 197
30 229
31 227
32 241
33 239
34 271
35 269
36 283
37 281
38 313
39 311
40 349
41 347
42 421
43 419
44 433
45 431
46 463
47 461
48 523
49 521
50 571
51 569
52 601
53 599
54 619
55 617

List of values

[3, 2, 5, 13, 11, 19, 17, 31, 29, 43, 41, 61, 59, 73, 71, 103, 101, 109, 107, 139, 137, 151, 149, 181, 179, 193, 191, 199, 197, 229, 227, 241, 239, 271, 269, 283, 281, 313, 311, 349, 347, 421, 419, 433, 431, 463, 461, 523, 521, 571, 569, 601, 599, 619, 617]