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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.

A161865 Numerators 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 1
2 3
3 5
4 2
5 1
6 3
7 12
8 13
9 1
10 16
11 19
12 10
13 22
14 1
15 25
16 13
17 30
18 31
19 33
20 17
21 18
22 38
23 41
24 40
25 43
26 46
27 47
28 16
29 51
30 1
31 53
32 56
33 19
34 60
35 61
36 32
37 66
38 65
39 68
40 23
41 18
42 76
43 25
44 1
45 78
46 83
47 1
48 82
49 89
50 45
51 88
52 89
53 95
54 24
55 100
56 101
57 49
58 104
59 103
60 21
61 55
62 27
63 112
64 1
65 115
66 59
67 1
68 20
69 21
70 15
71 64
72 1

List of values

[1, 3, 5, 2, 1, 3, 12, 13, 1, 16, 19, 10, 22, 1, 25, 13, 30, 31, 33, 17, 18, 38, 41, 40, 43, 46, 47, 16, 51, 1, 53, 56, 19, 60, 61, 32, 66, 65, 68, 23, 18, 76, 25, 1, 78, 83, 1, 82, 89, 45, 88, 89, 95, 24, 100, 101, 49, 104, 103, 21, 55, 27, 112, 1, 115, 59, 1, 20, 21, 15, 64, 1]

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

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