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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.

A189914 a(n) is 2^phi(n) times the least common multiple of the proper divisors of n.

Table of values

n a(n)
0 1
1 2
2 2
3 4
4 8
5 16
6 24
7 64
8 64
9 192
10 160
11 1024
12 192
13 4096
14 896
15 3840
16 2048
17 65536
18 1152
19 262144
20 5120
21 86016
22 22528
23 4194304
24 6144
25 5242880
26 106496
27 2359296
28 114688
29 268435456
30 7680
31 1073741824
32 1048576
33 34603008
34 2228224
35 587202560
36 147456
37 68719476736
38 9961472

List of values

[1, 2, 2, 4, 8, 16, 24, 64, 64, 192, 160, 1024, 192, 4096, 896, 3840, 2048, 65536, 1152, 262144, 5120, 86016, 22528, 4194304, 6144, 5242880, 106496, 2359296, 114688, 268435456, 7680, 1073741824, 1048576, 34603008, 2228224, 587202560, 147456, 68719476736, 9961472]

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

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