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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.

A109847 Least common multiple of n and its 9's complement.

Table of values

n a(n)
1 8
2 14
3 6
4 20
5 20
6 6
7 14
8 8
9 0
10 890
11 88
12 348
13 1118
14 1190
15 420
16 1328
17 1394
18 162
19 1520
20 1580
21 546
22 154
23 1748
24 600
25 1850
26 1898
27 216
28 1988
29 2030
30 690
31 2108
32 2144
33 66
34 2210
35 2240
36 252
37 2294
38 2318
39 780
40 2360
41 2378
42 798
43 2408
44 220
45 270
46 2438
47 2444
48 816
49 2450
50 2450

List of values

[8, 14, 6, 20, 20, 6, 14, 8, 0, 890, 88, 348, 1118, 1190, 420, 1328, 1394, 162, 1520, 1580, 546, 154, 1748, 600, 1850, 1898, 216, 1988, 2030, 690, 2108, 2144, 66, 2210, 2240, 252, 2294, 2318, 780, 2360, 2378, 798, 2408, 220, 270, 2438, 2444, 816, 2450, 2450]

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

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