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.

A053242 Numbers n such that A053238(n) = 1.

Table of values

n a(n)
1 20
2 21
3 49
4 50
5 56
6 57
7 79
8 80
9 108
10 109
11 132
12 133
13 145
14 146
15 155
16 170
17 171
18 177
19 178
20 201
21 230
22 231
23 253
24 254
25 260
26 277
27 278
28 289
29 290
30 307
31 308
32 341
33 347
34 348
35 376
36 382
37 383
38 405
39 406
40 412
41 413
42 424
43 425
44 437
45 438
46 467
47 495
48 496
49 548
50 549
51 555
52 570
53 585

List of values

[20, 21, 49, 50, 56, 57, 79, 80, 108, 109, 132, 133, 145, 146, 155, 170, 171, 177, 178, 201, 230, 231, 253, 254, 260, 277, 278, 289, 290, 307, 308, 341, 347, 348, 376, 382, 383, 405, 406, 412, 413, 424, 425, 437, 438, 467, 495, 496, 548, 549, 555, 570, 585]