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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.

A329817 a(n) is the maximum number of digits that must be checked to obtain all Armstrong numbers in base n.

Table of values

n a(n)
2 2
3 7
4 13
5 20
6 28
7 35
8 43
9 52
10 60
11 69
12 78
13 87
14 97
15 106
16 116
17 126
18 136
19 146
20 156
21 167
22 177
23 188
24 199
25 209
26 220
27 231
28 242
29 253
30 264
31 276
32 287
33 298
34 310
35 321
36 333
37 345
38 356
39 368
40 380
41 392
42 404
43 416
44 428
45 440
46 452
47 464
48 476
49 489
50 501
51 513
52 526
53 538
54 551
55 563
56 576
57 588

List of values

[2, 7, 13, 20, 28, 35, 43, 52, 60, 69, 78, 87, 97, 106, 116, 126, 136, 146, 156, 167, 177, 188, 199, 209, 220, 231, 242, 253, 264, 276, 287, 298, 310, 321, 333, 345, 356, 368, 380, 392, 404, 416, 428, 440, 452, 464, 476, 489, 501, 513, 526, 538, 551, 563, 576, 588]

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

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