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.

A081770 Numbers twice their squarefree kernel (A007947).

Table of values

n a(n)
1 4
2 12
3 20
4 28
5 44
6 52
7 60
8 68
9 76
10 84
11 92
12 116
13 124
14 132
15 140
16 148
17 156
18 164
19 172
20 188
21 204
22 212
23 220
24 228
25 236
26 244
27 260
28 268
29 276
30 284
31 292
32 308
33 316
34 332
35 340
36 348
37 356
38 364
39 372
40 380
41 388
42 404
43 412
44 420
45 428
46 436
47 444
48 452
49 460
50 476
51 492
52 508
53 516
54 524

List of values

[4, 12, 20, 28, 44, 52, 60, 68, 76, 84, 92, 116, 124, 132, 140, 148, 156, 164, 172, 188, 204, 212, 220, 228, 236, 244, 260, 268, 276, 284, 292, 308, 316, 332, 340, 348, 356, 364, 372, 380, 388, 404, 412, 420, 428, 436, 444, 452, 460, 476, 492, 508, 516, 524]