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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.

A256469 Number of primes between prime(n)*prime(n+1) and prime(n+1)^2.

Table of values

n a(n)
1 1
2 3
3 4
4 9
5 5
6 14
7 6
8 15
9 25
10 8
11 30
12 23
13 9
14 23
15 42
16 42
17 16
18 47
19 35
20 15
21 54
22 39
23 62
24 88
25 44
26 20
27 45
28 23
29 52
30 194
31 52
32 84
33 27
34 158
35 32
36 92
37 97
38 63
39 96
40 99
41 36
42 176
43 37
44 71
45 37
46 236
47 252
48 83
49 38
50 81
51 141
52 47
53 222
54 142
55 134
56 155
57 46
58 145
59 94
60 53
61 252
62 381
63 105
64 55
65 107
66 398
67 176
68 296
69 61

List of values

[1, 3, 4, 9, 5, 14, 6, 15, 25, 8, 30, 23, 9, 23, 42, 42, 16, 47, 35, 15, 54, 39, 62, 88, 44, 20, 45, 23, 52, 194, 52, 84, 27, 158, 32, 92, 97, 63, 96, 99, 36, 176, 37, 71, 37, 236, 252, 83, 38, 81, 141, 47, 222, 142, 134, 155, 46, 145, 94, 53, 252, 381, 105, 55, 107, 398, 176, 296, 61]

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

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