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.

A154430 Odd squarefree numbers n such that the cyclotomic polynomial Phi(n,x) has height > 1.

Table of values

n a(n)
1 105
2 165
3 195
4 255
5 273
6 285
7 345
8 357
9 385
10 429
11 455
12 555
13 561
14 595
15 609
16 615
17 627
18 645
19 665
20 705
21 715
22 759
23 777
24 795
25 805
26 897
27 935
28 957
29 969
30 987
31 1001
32 1005
33 1015
34 1023
35 1045
36 1065
37 1085
38 1095
39 1105
40 1131
41 1155
42 1185
43 1221
44 1235
45 1239
46 1245
47 1265

List of values

[105, 165, 195, 255, 273, 285, 345, 357, 385, 429, 455, 555, 561, 595, 609, 615, 627, 645, 665, 705, 715, 759, 777, 795, 805, 897, 935, 957, 969, 987, 1001, 1005, 1015, 1023, 1045, 1065, 1085, 1095, 1105, 1131, 1155, 1185, 1221, 1235, 1239, 1245, 1265]