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A222785
as a simple table
n
a(n)
1
2
2
6
3
12
4
24
5
40
6
72
7
126
8
240
9
648
10
2340
11
4320
12
7398
13
17400
14
27720
15
49896
16
93150
17
196560
[2,6,12,24,40,72,126,240,648,2340,4320,7398,17400, 27720,49896,93150,196560]
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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)