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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.

A126828 Ramanujan numbers (A000594) read mod 81.

Table of values

n a(n)
1 1
2 57
3 9
4 67
5 51
6 27
7 23
8 78
9 0
10 72
11 12
12 36
13 35
14 15
15 54
16 70
17 45
18 0
19 38
20 15
21 45
22 36
23 69
24 54
25 61
26 51
27 0
28 2
29 3
30 0
31 17
32 9
33 27
34 54
35 39
36 0
37 74
38 60
39 72
40 9
41 6
42 54
43 41
44 75
45 0
46 45
47 75
48 63
49 21
50 75
51 0
52 77
53 54
54 0
55 45
56 12
57 18
58 9
59 24
60 54
61 50
62 78
63 0
64 37
65 3
66 0
67 62
68 18
69 54
70 36
71 18
72 0
73 65
74 6
75 63
76 35
77 33
78 54

List of values

[1, 57, 9, 67, 51, 27, 23, 78, 0, 72, 12, 36, 35, 15, 54, 70, 45, 0, 38, 15, 45, 36, 69, 54, 61, 51, 0, 2, 3, 0, 17, 9, 27, 54, 39, 0, 74, 60, 72, 9, 6, 54, 41, 75, 0, 45, 75, 63, 21, 75, 0, 77, 54, 0, 45, 12, 18, 9, 24, 54, 50, 78, 0, 37, 3, 0, 62, 18, 54, 36, 18, 0, 65, 6, 63, 35, 33, 54]

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