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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.

A167595 The number of nonisolated primes between the n-th nonisolated nonprime and the n-th isolated nonprime.

Table of values

n a(n)
1 1
2 2
3 1
4 3
5 5
6 5
7 7
8 9
9 9
10 11
11 13
12 15
13 17
14 19
15 21
16 23
17 23
18 25
19 27
20 29
21 31
22 33
23 35
24 37
25 37
26 39
27 41
28 43
29 45
30 47
31 49
32 51
33 53
34 55
35 57
36 59
37 61
38 61
39 63
40 65
41 67
42 69
43 71
44 73
45 75
46 75
47 77
48 79
49 81
50 83
51 85
52 87
53 89
54 91
55 93
56 95
57 97
58 99
59 101
60 103
61 105
62 107
63 109
64 111
65 113
66 115
67 117
68 119
69 119

List of values

[1, 2, 1, 3, 5, 5, 7, 9, 9, 11, 13, 15, 17, 19, 21, 23, 23, 25, 27, 29, 31, 33, 35, 37, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 61, 63, 65, 67, 69, 71, 73, 75, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 119]

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

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