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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.

A245481 Numbers k such that the k-th cyclotomic polynomial has a root mod 13.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 12
7 13
8 26
9 39
10 52
11 78
12 156
13 169
14 338
15 507
16 676
17 1014
18 2028
19 2197
20 4394
21 6591
22 8788
23 13182
24 26364
25 28561
26 57122
27 85683
28 114244
29 171366
30 342732
31 371293
32 742586
33 1113879
34 1485172
35 2227758
36 4455516
37 4826809
38 9653618
39 14480427
40 19307236
41 28960854

List of values

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 2197, 4394, 6591, 8788, 13182, 26364, 28561, 57122, 85683, 114244, 171366, 342732, 371293, 742586, 1113879, 1485172, 2227758, 4455516, 4826809, 9653618, 14480427, 19307236, 28960854]

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

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