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.

A046017 Least k > 1 with k = sum of digits of k^n, or 0 if no such k exists.

Table of values

n a(n)
1 2
2 9
3 8
4 7
5 28
6 18
7 18
8 46
9 54
10 82
11 98
12 108
13 20
14 91
15 107
16 133
17 80
18 172
19 80
20 90
21 90
22 90
23 234
24 252
25 140
26 306
27 305
28 90
29 305
30 396
31 170
32 388
33 170
34 387
35 378
36 388
37 414
38 468
39 449
40 250
41 432
42 280
43 461
44 280
45 360
46 360
47 350
48 370
49 270
50 685
51 360
52 625
53 648
54 370
55 677
56 684
57 370
58 667
59 370
60 694
61 440
62 855
63 827
64 430
65 818

List of values

[2, 9, 8, 7, 28, 18, 18, 46, 54, 82, 98, 108, 20, 91, 107, 133, 80, 172, 80, 90, 90, 90, 234, 252, 140, 306, 305, 90, 305, 396, 170, 388, 170, 387, 378, 388, 414, 468, 449, 250, 432, 280, 461, 280, 360, 360, 350, 370, 270, 685, 360, 625, 648, 370, 677, 684, 370, 667, 370, 694, 440, 855, 827, 430, 818]

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

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