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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.

A348317 a(n) = A348150(n) - A002275(n) where A002275(n) = R_n is the repunit with n times digit 1.

Table of values

n a(n)
1 0
2 1
3 0
4 5
5 1
6 3
7 1
8 1
9 0
10 14
11 1
12 15
13 5
14 3
15 3
16 11
17 1
18 21
19 8
20 10
21 6
22 5
23 1
24 3
25 2
26 12
27 0
28 17
29 25
30 14
31 5
32 13
33 6
34 74
35 1
36 54
37 41
38 12
39 8
40 14
41 4
42 105
43 41
44 55
45 63
46 33
47 25
48 13
49 5
50 103
51 3
52 33
53 40
54 63
55 3
56 52
57 15
58 23
59 40
60 21
61 20
62 10
63 21
64 11
65 25
66 33
67 41
68 47
69 45
70 14
71 1
72 171

List of values

[0, 1, 0, 5, 1, 3, 1, 1, 0, 14, 1, 15, 5, 3, 3, 11, 1, 21, 8, 10, 6, 5, 1, 3, 2, 12, 0, 17, 25, 14, 5, 13, 6, 74, 1, 54, 41, 12, 8, 14, 4, 105, 41, 55, 63, 33, 25, 13, 5, 103, 3, 33, 40, 63, 3, 52, 15, 23, 40, 21, 20, 10, 21, 11, 25, 33, 41, 47, 45, 14, 1, 171]

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