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.

A005237 Numbers k such that k and k+1 have the same number of divisors.

Table of values

n a(n)
1 2
2 14
3 21
4 26
5 33
6 34
7 38
8 44
9 57
10 75
11 85
12 86
13 93
14 94
15 98
16 104
17 116
18 118
19 122
20 133
21 135
22 141
23 142
24 145
25 147
26 158
27 171
28 177
29 189
30 201
31 202
32 205
33 213
34 214
35 217
36 218
37 230
38 231
39 242
40 243
41 244
42 253
43 285
44 296
45 298
46 301
47 302
48 326
49 332
50 334
51 344
52 374
53 375
54 381
55 387

List of values

[2, 14, 21, 26, 33, 34, 38, 44, 57, 75, 85, 86, 93, 94, 98, 104, 116, 118, 122, 133, 135, 141, 142, 145, 147, 158, 171, 177, 189, 201, 202, 205, 213, 214, 217, 218, 230, 231, 242, 243, 244, 253, 285, 296, 298, 301, 302, 326, 332, 334, 344, 374, 375, 381, 387]