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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.

A256144 Primitive prime factors of the cyclotomic polynomial sequence Phi(9,k) in the order in which they occur.

Table of values

n a(n)
1 3
2 73
3 757
4 19
5 829
6 2467
7 37
8 1063
9 262657
10 333667
11 1772893
12 80749
13 1609669
14 397
15 18973
16 541
17 21061
18 109
19 1270657
20 991
21 34327
22 523
23 29989
24 64008001
25 85775383
26 127
27 297613
28 7792003
29 2017
30 4987
31 5167
32 308933353
33 433
34 8209
35 444979
36 14437
37 41203
38 729027001

List of values

[3, 73, 757, 19, 829, 2467, 37, 1063, 262657, 333667, 1772893, 80749, 1609669, 397, 18973, 541, 21061, 109, 1270657, 991, 34327, 523, 29989, 64008001, 85775383, 127, 297613, 7792003, 2017, 4987, 5167, 308933353, 433, 8209, 444979, 14437, 41203, 729027001]

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

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