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.

A071428 Numbers n such that x^n + x^(n-1) + x^(n-2) + ... + x + 1 is irreducible over GF(3).

Table of values

n a(n)
1 4
2 6
3 16
4 18
5 28
6 30
7 42
8 52
9 78
10 88
11 100
12 112
13 126
14 136
15 138
16 148
17 162
18 172
19 196
20 198
21 210
22 222
23 232
24 256
25 268
26 280
27 282
28 292
29 316
30 330
31 352
32 378
33 388
34 400
35 448
36 460
37 462
38 486
39 508
40 520
41 556
42 568
43 570
44 592
45 606
46 616
47 630
48 640
49 652
50 676
51 690
52 700
53 738
54 750

List of values

[4, 6, 16, 18, 28, 30, 42, 52, 78, 88, 100, 112, 126, 136, 138, 148, 162, 172, 196, 198, 210, 222, 232, 256, 268, 280, 282, 292, 316, 330, 352, 378, 388, 400, 448, 460, 462, 486, 508, 520, 556, 568, 570, 592, 606, 616, 630, 640, 652, 676, 690, 700, 738, 750]