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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.

A256146 Primitive prime factors of the cyclotomic polynomial sequence Phi(7,k) in the order in which they occur.

Table of values

n a(n)
1 7
2 127
3 1093
4 43
5 19531
6 55987
7 29
8 4733
9 337
10 547
11 239
12 4649
13 45319
14 659
15 4943
16 5229043
17 8108731
18 1743463
19 113
20 25646167
21 449
22 80207
23 701
24 70841
25 71
26 32719
27 631
28 3319
29 16968421
30 5336717
31 28771
32 321272407
33 368089
34 4422461
35 88009573
36 93997
37 917087137
38 122921

List of values

[7, 127, 1093, 43, 19531, 55987, 29, 4733, 337, 547, 239, 4649, 45319, 659, 4943, 5229043, 8108731, 1743463, 113, 25646167, 449, 80207, 701, 70841, 71, 32719, 631, 3319, 16968421, 5336717, 28771, 321272407, 368089, 4422461, 88009573, 93997, 917087137, 122921]

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

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