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.

A317210 Composite numbers k+1 such that A002322(A027760(k)) = k.

Table of values

n a(n)
1 21
2 45
3 49
4 81
5 85
6 91
7 93
8 111
9 117
10 121
11 133
12 141
13 145
14 165
15 175
16 177
17 201
18 205
19 209
20 213
21 217
22 221
23 231
24 235
25 247
26 253
27 261
28 265
29 273
30 289
31 291
32 301
33 309
34 319
35 325
36 333
37 357
38 361
39 365
40 369
41 381
42 391
43 411
44 415
45 441
46 445
47 451
48 453
49 465
50 469
51 477
52 481
53 493

List of values

[21, 45, 49, 81, 85, 91, 93, 111, 117, 121, 133, 141, 145, 165, 175, 177, 201, 205, 209, 213, 217, 221, 231, 235, 247, 253, 261, 265, 273, 289, 291, 301, 309, 319, 325, 333, 357, 361, 365, 369, 381, 391, 411, 415, 441, 445, 451, 453, 465, 469, 477, 481, 493]