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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.

A375751 a(n) is the difference between F=A000045(n) and the largest prime not exceeding F.

Table of values

n a(n)
3 0
4 0
5 0
6 1
7 0
8 2
9 3
10 2
11 0
12 5
13 0
14 4
15 3
16 4
17 0
18 5
19 4
20 2
21 7
22 4
23 0
24 17
25 8
26 14
27 31
28 14
29 0
30 37
31 20
32 26
33 9
34 20
35 22
36 11
37 6
38 12
39 15
40 32
41 18
42 17
43 0
44 16
45 43
46 24
47 0
48 17
49 20
50 26
51 27
52 20
53 6
54 9
55 12
56 34
57 29
58 36
59 30
60 47
61 48
62 4
63 45
64 32
65 54
66 27
67 132
68 22
69 31
70 4
71 32
72 11
73 12
74 60
75 7
76 76

List of values

[0, 0, 0, 1, 0, 2, 3, 2, 0, 5, 0, 4, 3, 4, 0, 5, 4, 2, 7, 4, 0, 17, 8, 14, 31, 14, 0, 37, 20, 26, 9, 20, 22, 11, 6, 12, 15, 32, 18, 17, 0, 16, 43, 24, 0, 17, 20, 26, 27, 20, 6, 9, 12, 34, 29, 36, 30, 47, 48, 4, 45, 32, 54, 27, 132, 22, 31, 4, 32, 11, 12, 60, 7, 76]

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

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