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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.

A358374 Numbers k such that the k-th standard ordered rooted tree is an identity tree (counted by A032027).

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 6
6 7
7 10
8 13
9 17
10 19
11 21
12 33
13 34
14 38
15 39
16 42
17 45
18 49
19 51
20 53
21 65
22 66
23 67
24 81
25 97
26 130
27 131
28 133
29 134
30 135
31 145
32 161
33 162
34 177
35 193
36 195
37 209
38 259
39 261
40 262
41 263
42 266
43 269
44 289
45 290
46 305
47 321
48 322
49 353
50 387
51 389
52 401
53 417
54 513
55 517
56 518
57 519
58 522

List of values

[1, 2, 3, 5, 6, 7, 10, 13, 17, 19, 21, 33, 34, 38, 39, 42, 45, 49, 51, 53, 65, 66, 67, 81, 97, 130, 131, 133, 134, 135, 145, 161, 162, 177, 193, 195, 209, 259, 261, 262, 263, 266, 269, 289, 290, 305, 321, 322, 353, 387, 389, 401, 417, 513, 517, 518, 519, 522]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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