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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.

A068823 a(n) = lcm(n, c(n)), where c(n) is the 10's complement of n.

Table of values

n a(n)
1 9
2 8
3 21
4 12
5 5
6 12
7 21
8 8
9 9
10 90
11 979
12 264
13 1131
14 602
15 255
16 336
17 1411
18 738
19 1539
20 80
21 1659
22 858
23 1771
24 456
25 75
26 962
27 1971
28 504
29 2059
30 210
31 2139
32 544
33 2211
34 1122
35 455
36 576
37 2331
38 1178
39 2379
40 120
41 2419
42 1218
43 2451
44 616
45 495
46 1242
47 2491
48 624
49 2499
50 50

List of values

[9, 8, 21, 12, 5, 12, 21, 8, 9, 90, 979, 264, 1131, 602, 255, 336, 1411, 738, 1539, 80, 1659, 858, 1771, 456, 75, 962, 1971, 504, 2059, 210, 2139, 544, 2211, 1122, 455, 576, 2331, 1178, 2379, 120, 2419, 1218, 2451, 616, 495, 1242, 2491, 624, 2499, 50]

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

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