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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.

A111183 a(n) = prime(x) - pi(x) where x is the least x such that (prime(x+1) - pi(x+1)) - (prime(x) - pi(x)) = n.

Table of values

n a(n)
1 2
2 3
3 5
4 15
5 47
6 19
7 339
8 80
9 168
10 128
11 185
12 196
13 103
14 275
15 1771
16 1871
17 1028
18 498
19 3004
20 851
21 3641
22 1087
23 11845
24 1613
25 5402
26 2404
27 3182
28 2889
29 5225
30 4190
31 5461
32 10585
33 16958
34 1280
35 22444
36 9357
37 56241
38 30129
39 24857
40 19006
41 34461
42 15852
43 224417
44 15401

List of values

[2, 3, 5, 15, 47, 19, 339, 80, 168, 128, 185, 196, 103, 275, 1771, 1871, 1028, 498, 3004, 851, 3641, 1087, 11845, 1613, 5402, 2404, 3182, 2889, 5225, 4190, 5461, 10585, 16958, 1280, 22444, 9357, 56241, 30129, 24857, 19006, 34461, 15852, 224417, 15401]

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

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