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A069260 as a simple table

n a(n)
1 1
2 2
3 6
4 6
5 30
6 180
7 1260
8 2520
9 2520
10 25200
11 277200
12 831600
13 10810800
14 151351200
15 2270268000
16 2270268000
17 38594556000
18 77189112000
19 1466593128000
20 7332965640000
21 153992278440000
22 3387830125680000
23 77920092890640000
24 467520557343840000
25 467520557343840000

[1,2,6,6,30,180,1260,2520,2520,25200,277200,
 831600,10810800,151351200,2270268000,2270268000,
 38594556000,77189112000,1466593128000,
 7332965640000,153992278440000,3387830125680000,
 77920092890640000,467520557343840000,
 467520557343840000]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)