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.

A260698 Practical numbers of the form p - 1 where p is a prime.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 12
6 16
7 18
8 28
9 30
10 36
11 40
12 42
13 60
14 66
15 72
16 78
17 88
18 96
19 100
20 108
21 112
22 126
23 150
24 156
25 162
26 180
27 192
28 196
29 198
30 210
31 228
32 240
33 256
34 270
35 276
36 280
37 306
38 312
39 330
40 336
41 348
42 352
43 378
44 396
45 400
46 408
47 420
48 432
49 448
50 456
51 460
52 462
53 486
54 520
55 522
56 540
57 546

List of values

[1, 2, 4, 6, 12, 16, 18, 28, 30, 36, 40, 42, 60, 66, 72, 78, 88, 96, 100, 108, 112, 126, 150, 156, 162, 180, 192, 196, 198, 210, 228, 240, 256, 270, 276, 280, 306, 312, 330, 336, 348, 352, 378, 396, 400, 408, 420, 432, 448, 456, 460, 462, 486, 520, 522, 540, 546]