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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.

A367358 Indices k at which either the leading digit or the length of A121805(k) changes.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 7
7 8
8 11
9 13
10 17
11 19
12 21
13 22
14 24
15 45
16 69
17 90
18 107
19 127
20 145
21 164
22 185
23 204
24 422
25 614
26 822
27 1007
28 1174
29 1392
30 1585
31 1757
32 1943
33 4115
34 6039
35 8123
36 9974
37 11641
38 13814
39 15738
40 17822
41 19673
42 41413
43 60643
44 81477
45 99995
46 114281
47 132138
48 151369
49 172201
50 190720
51 408111
52 646206
53 854539
54 1039724
55 1373058
56 1551630
57 1743937
58 1952271

List of values

[1, 2, 3, 4, 5, 7, 8, 11, 13, 17, 19, 21, 22, 24, 45, 69, 90, 107, 127, 145, 164, 185, 204, 422, 614, 822, 1007, 1174, 1392, 1585, 1757, 1943, 4115, 6039, 8123, 9974, 11641, 13814, 15738, 17822, 19673, 41413, 60643, 81477, 99995, 114281, 132138, 151369, 172201, 190720, 408111, 646206, 854539, 1039724, 1373058, 1551630, 1743937, 1952271]

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