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.

A343594 Numbers k that, when written in all bases from base 2 to base 10, are a substring of k^k when written in the same base.

Table of values

n a(n)
1 1
2 5
3 17
4 25
5 31
6 41
7 63
8 92
9 151
10 170
11 202
12 221
13 263
14 266
15 278
16 322
17 327
18 347
19 364
20 401
21 404
22 412
23 421
24 423
25 437
26 467
27 470
28 482
29 490
30 498
31 501
32 515
33 519
34 543
35 558
36 578
37 590
38 612
39 623
40 636
41 646
42 647
43 671
44 683
45 685
46 705
47 707
48 717
49 718
50 726
51 764
52 785
53 795
54 859
55 867
56 872
57 875
58 881
59 890
60 892
61 897

List of values

[1, 5, 17, 25, 31, 41, 63, 92, 151, 170, 202, 221, 263, 266, 278, 322, 327, 347, 364, 401, 404, 412, 421, 423, 437, 467, 470, 482, 490, 498, 501, 515, 519, 543, 558, 578, 590, 612, 623, 636, 646, 647, 671, 683, 685, 705, 707, 717, 718, 726, 764, 785, 795, 859, 867, 872, 875, 881, 890, 892, 897]

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

Content is available under The OEIS End-User License Agreement.