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A018452 formatted as a simple table:

n a(n)
1 1
2 2
3 3
4 4
5 6
6 8
7 9
8 12
9 16
10 18
11 24
12 27
13 36
14 48
15 54
16 72
17 108
18 144
19 216
20 432

[1,2,3,4,6,8,9,12,16,18,24,27,36,48,54,72,108,144,
 216,432]

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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