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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.

A289662 a(n) is the smallest m such that p = n-th popular prime = A385503(n) is uniquely popular on the interval [2,m] or -1 if p is never uniquely popular.

Table of values

n a(n)
1 2
2 12
3 80
4 196
5 1638
6 4864
7 22425
8 46500
9 109779
10 158625
11 603564
12 2552416
13 2620142
14 2627250
15 41163747
16 237398795
17 1966466950
18 13690729828
19 64322158656
20 79838739611
21 220355987735
22 232268774850
23 618745972214
24 1882062476406
25 9607713772982
26 19364051829855
27 26393150937218
28 37636607806688
29 114514665167797
30 173974642809066
31 228013323978930
32 259772858868378
33 284600479573629
34 644741545246282

List of values

[2, 12, 80, 196, 1638, 4864, 22425, 46500, 109779, 158625, 603564, 2552416, 2620142, 2627250, 41163747, 237398795, 1966466950, 13690729828, 64322158656, 79838739611, 220355987735, 232268774850, 618745972214, 1882062476406, 9607713772982, 19364051829855, 26393150937218, 37636607806688, 114514665167797, 173974642809066, 228013323978930, 259772858868378, 284600479573629, 644741545246282]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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