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A247943 as a simple table

n a(n)
1 0
2 2
3 2
4 6
5 60
6 6
7 12
8 1058
9 1058
10 12
11 20
12 25080
13 140240
14 25080
15 20
16 30
17 822594
18 58673472
19 58673472
20 822594
21 30
22 42
23 36195620
24 28938943114
25 490225231968
26 28938943114
27 36195620
28 42
29 56
30 2069486450

[0,2,2,6,60,6,12,1058,1058,12,20,25080,140240,
 25080,20,30,822594,58673472,58673472,822594,30,42,
 36195620,28938943114,490225231968,28938943114,
 36195620,42,56,2069486450]

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Last modified April 16 05:35 EDT 2024. Contains 371697 sequences. (Running on oeis4.)