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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.

A173717 Sum of n mod m, summed over semiprimes m = 4, 6, 9, ..., smallest semiprime >= n.

Table of values

n a(n)
1 1
2 2
3 3
4 0
5 6
6 2
7 11
8 10
9 4
10 7
11 22
12 17
13 22
14 13
15 18
16 36
17 43
18 35
19 42
20 35
21 21
22 28
23 59
24 58
25 42
26 51
27 79
28 72
29 83
30 63
31 74
32 81
33 59
34 70
35 82
36 112
37 126
38 102
39 116
40 157
41 173
42 148
43 164
44 154
45 146
46 116
47 179
48 186
49 154
50 186
51 153
52 193
53 212
54 216
55 180
56 237
57 200
58 220
59 300
60 287
61 309
62 269
63 324
64 343
65 301
66 329
67 353
68 339

List of values

[1, 2, 3, 0, 6, 2, 11, 10, 4, 7, 22, 17, 22, 13, 18, 36, 43, 35, 42, 35, 21, 28, 59, 58, 42, 51, 79, 72, 83, 63, 74, 81, 59, 70, 82, 112, 126, 102, 116, 157, 173, 148, 164, 154, 146, 116, 179, 186, 154, 186, 153, 193, 212, 216, 180, 237, 200, 220, 300, 287, 309, 269, 324, 343, 301, 329, 353, 339]

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

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