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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.

A160522 The n-th odd composite number minus the n-th even composite number.

Table of values

n a(n)
1 5
2 9
3 13
4 15
5 15
6 19
7 19
8 21
9 25
10 27
11 27
12 29
13 29
14 33
15 33
16 35
17 39
18 39
19 41
20 43
21 43
22 45
23 45
24 45
25 47
26 51
27 55
28 57
29 57
30 57
31 57
32 57
33 57
34 59
35 61
36 61
37 65
38 65
39 65
40 65
41 69
42 69
43 71
44 71
45 73
46 75
47 75
48 77
49 77
50 81
51 81
52 81
53 81
54 85
55 89
56 89
57 89
58 89
59 89
60 91
61 91
62 91
63 91
64 91
65 93
66 97
67 99
68 99
69 103
70 103

List of values

[5, 9, 13, 15, 15, 19, 19, 21, 25, 27, 27, 29, 29, 33, 33, 35, 39, 39, 41, 43, 43, 45, 45, 45, 47, 51, 55, 57, 57, 57, 57, 57, 57, 59, 61, 61, 65, 65, 65, 65, 69, 69, 71, 71, 73, 75, 75, 77, 77, 81, 81, 81, 81, 85, 89, 89, 89, 89, 89, 91, 91, 91, 91, 91, 93, 97, 99, 99, 103, 103]

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

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