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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.

A161867 Denominators of ratio of nonprimes in a square interval to that of nonprimes in that interval and its successor.

Table of values

n a(n)
1 4
2 8
3 11
4 5
5 2
6 7
7 25
8 29
9 2
10 35
11 39
12 21
13 47
14 2
15 51
16 28
17 61
18 64
19 67
20 35
21 37
22 79
23 81
24 83
25 89
26 93
27 95
28 33
29 104
30 2
31 109
32 113
33 39
34 121
35 125
36 65
37 131
38 133
39 137
40 47
41 37
42 151
43 51
44 2
45 161
46 165
47 2
48 171
49 179
50 89
51 177
52 184
53 191
54 49
55 201
56 199
57 101
58 207
59 208
60 43
61 109
62 55
63 227
64 2
65 233
66 119

List of values

[4, 8, 11, 5, 2, 7, 25, 29, 2, 35, 39, 21, 47, 2, 51, 28, 61, 64, 67, 35, 37, 79, 81, 83, 89, 93, 95, 33, 104, 2, 109, 113, 39, 121, 125, 65, 131, 133, 137, 47, 37, 151, 51, 2, 161, 165, 2, 171, 179, 89, 177, 184, 191, 49, 201, 199, 101, 207, 208, 43, 109, 55, 227, 2, 233, 119]

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

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