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A175847
as a simple table
n
a(n)
2
1
3
1
4
2
5
5
6
18
7
84
8
607
9
6100
10
78824
11
1195280
12
20297600
13
376940415
14
7565248679
[1,1,2,5,18,84,607,6100,78824,1195280,20297600, 376940415,7565248679]
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Last modified August 11 02:58 EDT 2024. Contains 375059 sequences. (Running on oeis4.)
