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A147161 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 5
7 25
8 109
9 547
10 2673
11 15771
12 134989
13 1264235

[1,1,1,1,1,5,25,109,547,2673,15771,134989,1264235]

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Last modified October 25 19:51 EDT 2021. Contains 348255 sequences. (Running on oeis4.)