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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.

A383075 Smallest number m such that m*(m + 1)*(2*m + 1)/6 is divisible by n.

Table of values

n a(n)
1 1
2 3
3 4
4 7
5 2
6 4
7 3
8 15
9 13
10 4
11 5
12 8
13 6
14 3
15 4
16 31
17 8
18 27
19 9
20 7
21 13
22 11
23 11
24 31
25 12
26 12
27 40
28 7
29 14
30 4
31 15
32 63
33 22
34 8
35 7
36 40
37 18
38 19
39 13
40 15
41 20
42 27
43 21
44 16
45 27
46 11
47 23
48 31
49 24
50 12
51 8
52 32
53 26
54 40
55 5
56 31
57 9
58 28
59 29
60 40
61 30
62 15
63 13
64 127
65 12
66 27
67 33
68 8
69 22
70 7
71 35

List of values

[1, 3, 4, 7, 2, 4, 3, 15, 13, 4, 5, 8, 6, 3, 4, 31, 8, 27, 9, 7, 13, 11, 11, 31, 12, 12, 40, 7, 14, 4, 15, 63, 22, 8, 7, 40, 18, 19, 13, 15, 20, 27, 21, 16, 27, 11, 23, 31, 24, 12, 8, 32, 26, 40, 5, 31, 9, 28, 29, 40, 30, 15, 13, 127, 12, 27, 33, 8, 22, 7, 35]

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

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