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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.

A337788 The number of primes between n exclusive and n+primepi(n) inclusive.

Table of values

n a(n)
1 0
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 2
10 2
11 1
12 2
13 2
14 2
15 2
16 2
17 2
18 2
19 1
20 1
21 2
22 2
23 2
24 2
25 2
26 2
27 2
28 3
29 2
30 2
31 2
32 3
33 3
34 3
35 3
36 4
37 3
38 3
39 3
40 3
41 3
42 3
43 2
44 2
45 3
46 3
47 3
48 3
49 3
50 3
51 3
52 4
53 3
54 3
55 4
56 4
57 5
58 5
59 4
60 4
61 4
62 4
63 4
64 4
65 5
66 5
67 4
68 4
69 4
70 5
71 4
72 4
73 3
74 3
75 3
76 4
77 4
78 4
79 4
80 4
81 5
82 5
83 4
84 5
85 5
86 6
87 6

List of values

[0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 3, 3, 3, 3, 4, 3, 3, 3, 3, 3, 3, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 3, 3, 4, 4, 5, 5, 4, 4, 4, 4, 4, 4, 5, 5, 4, 4, 4, 5, 4, 4, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 4, 5, 5, 6, 6]

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

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