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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.

A087786 a(n) = number of solutions to x^3 - y^3 == 0 (mod n).

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 5
6 6
7 19
8 20
9 27
10 10
11 11
12 18
13 37
14 38
15 15
16 40
17 17
18 54
19 55
20 30
21 57
22 22
23 23
24 60
25 45
26 74
27 135
28 114
29 29
30 30
31 91
32 112
33 33
34 34
35 95
36 162
37 109
38 110
39 111
40 100
41 41
42 114
43 127
44 66
45 135
46 46
47 47
48 120
49 175
50 90
51 51
52 222
53 53
54 270
55 55
56 380
57 165
58 58
59 59
60 90
61 181
62 182
63 513
64 352
65 185

List of values

[1, 2, 3, 6, 5, 6, 19, 20, 27, 10, 11, 18, 37, 38, 15, 40, 17, 54, 55, 30, 57, 22, 23, 60, 45, 74, 135, 114, 29, 30, 91, 112, 33, 34, 95, 162, 109, 110, 111, 100, 41, 114, 127, 66, 135, 46, 47, 120, 175, 90, 51, 222, 53, 270, 55, 380, 165, 58, 59, 90, 181, 182, 513, 352, 185]

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

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