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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.

A049782 a(n) = (0! + 1! + ... + (n-1)!) mod n.

Table of values

n a(n)
1 0
2 0
3 1
4 2
5 4
6 4
7 6
8 2
9 1
10 4
11 1
12 10
13 10
14 6
15 4
16 10
17 13
18 10
19 9
20 14
21 13
22 12
23 21
24 10
25 14
26 10
27 10
28 6
29 17
30 4
31 2
32 26
33 1
34 30
35 34
36 10
37 5
38 28
39 10
40 34
41 4
42 34
43 16
44 34
45 19
46 44
47 18
48 10
49 48
50 14
51 13
52 10
53 13
54 10
55 34
56 34
57 28
58 46
59 28
60 34
61 22
62 2
63 55
64 26
65 49
66 34
67 65
68 30
69 67
70 34
71 68
72 10
73 55
74 42
75 64
76 66
77 34

List of values

[0, 0, 1, 2, 4, 4, 6, 2, 1, 4, 1, 10, 10, 6, 4, 10, 13, 10, 9, 14, 13, 12, 21, 10, 14, 10, 10, 6, 17, 4, 2, 26, 1, 30, 34, 10, 5, 28, 10, 34, 4, 34, 16, 34, 19, 44, 18, 10, 48, 14, 13, 10, 13, 10, 34, 34, 28, 46, 28, 34, 22, 2, 55, 26, 49, 34, 65, 30, 67, 34, 68, 10, 55, 42, 64, 66, 34]

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