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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.

A057493 Numbers n such that n | 11^n + 10^n.

Table of values

n a(n)
1 1
2 3
3 7
4 9
5 21
6 27
7 49
8 63
9 81
10 111
11 147
12 171
13 189
14 203
15 243
16 333
17 343
18 441
19 513
20 567
21 609
22 729
23 777
24 999
25 1029
26 1143
27 1197
28 1323
29 1421
30 1539
31 1701
32 1791
33 1827
34 2187
35 2331
36 2401
37 2943
38 2997
39 3087
40 3249
41 3429
42 3591
43 3969
44 4107
45 4263
46 4617
47 5103
48 5373

List of values

[1, 3, 7, 9, 21, 27, 49, 63, 81, 111, 147, 171, 189, 203, 243, 333, 343, 441, 513, 567, 609, 729, 777, 999, 1029, 1143, 1197, 1323, 1421, 1539, 1701, 1791, 1827, 2187, 2331, 2401, 2943, 2997, 3087, 3249, 3429, 3591, 3969, 4107, 4263, 4617, 5103, 5373]

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

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