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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.

A053620 Nearest integer to R(n) = the Riemann prime number formula.

Table of values

n a(n)
2 1
3 2
4 2
5 3
6 3
7 3
8 4
9 4
10 4
11 5
12 5
13 5
14 6
15 6
16 6
17 7
18 7
19 7
20 7
21 8
22 8
23 8
24 9
25 9
26 9
27 9
28 10
29 10
30 10
31 10
32 11
33 11
34 11
35 11
36 12
37 12
38 12
39 12
40 13
41 13
42 13
43 13
44 14
45 14
46 14
47 14
48 14
49 15
50 15
51 15
52 15
53 16
54 16
55 16
56 16
57 17
58 17
59 17
60 17
61 17
62 18
63 18
64 18
65 18
66 19
67 19
68 19
69 19
70 19
71 20
72 20

List of values

[1, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 19, 20, 20]

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

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