cp's OEIS Frontend

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.

A070537 Numbers k such that the k-th cyclotomic polynomial has more terms than the largest prime factor of k.

Table of values

n a(n)
1 1
2 15
3 21
4 30
5 33
6 35
7 39
8 42
9 45
10 51
11 55
12 57
13 60
14 63
15 65
16 66
17 69
18 70
19 75
20 77
21 78
22 84
23 85
24 87
25 90
26 91
27 93
28 95
29 99
30 102
31 105
32 110
33 111
34 114
35 115
36 117
37 119
38 120
39 123
40 126
41 129
42 130
43 132
44 133
45 135
46 138
47 140
48 141
49 143
50 145
51 147
52 150
53 153
54 154
55 155
56 156
57 159
58 161
59 165

List of values

[1, 15, 21, 30, 33, 35, 39, 42, 45, 51, 55, 57, 60, 63, 65, 66, 69, 70, 75, 77, 78, 84, 85, 87, 90, 91, 93, 95, 99, 102, 105, 110, 111, 114, 115, 117, 119, 120, 123, 126, 129, 130, 132, 133, 135, 138, 140, 141, 143, 145, 147, 150, 153, 154, 155, 156, 159, 161, 165]

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

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