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.

A354908 Numbers k such that the k-th composition in standard order (graded reverse-lexicographic, A066099) is collapsible.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 7
6 8
7 10
8 11
9 14
10 15
11 16
12 31
13 32
14 36
15 39
16 42
17 43
18 46
19 47
20 58
21 59
22 60
23 62
24 63
25 64
26 127
27 128
28 136
29 138
30 139
31 142
32 143
33 168
34 170
35 171
36 174
37 175
38 184
39 186
40 187
41 190
42 191
43 232
44 234
45 235
46 238
47 239
48 248
49 250
50 251
51 254
52 255
53 256
54 292
55 295
56 316
57 319
58 484

List of values

[1, 2, 3, 4, 7, 8, 10, 11, 14, 15, 16, 31, 32, 36, 39, 42, 43, 46, 47, 58, 59, 60, 62, 63, 64, 127, 128, 136, 138, 139, 142, 143, 168, 170, 171, 174, 175, 184, 186, 187, 190, 191, 232, 234, 235, 238, 239, 248, 250, 251, 254, 255, 256, 292, 295, 316, 319, 484]