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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.

A176347 n-th semiprime minus sum of its prime factors.

Table of values

n a(n)
1 0
2 1
3 3
4 3
5 5
6 7
7 11
8 9
9 15
10 11
11 19
12 15
13 23
14 17
15 23
16 21
17 35
18 31
19 39
20 35
21 27
22 29
23 47
24 43
25 35
26 59
27 39
28 63
29 41
30 55
31 71
32 59
33 45
34 71
35 51
36 71
37 87
38 57
39 95
40 99
41 59
42 79
43 83
44 107
45 65
46 91
47 69
48 119
49 111
50 71
51 119
52 77
53 103
54 131
55 81
56 143
57 115
58 87
59 119
60 143
61 159
62 95
63 131
64 99
65 167
66 159
67 101

List of values

[0, 1, 3, 3, 5, 7, 11, 9, 15, 11, 19, 15, 23, 17, 23, 21, 35, 31, 39, 35, 27, 29, 47, 43, 35, 59, 39, 63, 41, 55, 71, 59, 45, 71, 51, 71, 87, 57, 95, 99, 59, 79, 83, 107, 65, 91, 69, 119, 111, 71, 119, 77, 103, 131, 81, 143, 115, 87, 119, 143, 159, 95, 131, 99, 167, 159, 101]

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

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