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.

A329110 Number of integer sequences 1 <= b_1 < b_2 < ... < b_t <= n such that b_i divides b_(i+1) for all 0 < i < t.

Table of values

n a(n)
1 1
2 3
3 5
4 9
5 11
6 17
7 19
8 27
9 31
10 37
11 39
12 55
13 57
14 63
15 69
16 85
17 87
18 103
19 105
20 121
21 127
22 133
23 135
24 175
25 179
26 185
27 193
28 209
29 211
30 237
31 239
32 271
33 277
34 283
35 289
36 341
37 343
38 349
39 355
40 395
41 397
42 423
43 425
44 441
45 457
46 463
47 465
48 561
49 565
50 581
51 587
52 603
53 605
54 645
55 651
56 691

List of values

[1, 3, 5, 9, 11, 17, 19, 27, 31, 37, 39, 55, 57, 63, 69, 85, 87, 103, 105, 121, 127, 133, 135, 175, 179, 185, 193, 209, 211, 237, 239, 271, 277, 283, 289, 341, 343, 349, 355, 395, 397, 423, 425, 441, 457, 463, 465, 561, 565, 581, 587, 603, 605, 645, 651, 691]