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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.

A301701 a(n) is the smallest positive integer m, with the property that n appears as a coefficient in the polynomial P_m(x) = (x-1)(x^2-1)...(x^m-1).

Table of values

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

List of values

[3, 1, 4, 10, 12, 17, 16, 19, 20, 22, 22, 23, 24, 25, 25, 25, 24, 26, 26, 28, 27, 27, 29, 28, 28, 29, 29, 30, 28, 29, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 31, 31, 32, 33, 33, 33, 32, 33, 32, 33, 32, 33, 33, 36, 35, 33, 33, 36, 34, 34, 37, 35, 34, 37, 35, 34, 34, 35, 35, 35, 35]

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