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A147075 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 13
6 65
7 313
8 2325
9 24995
10 319309
11 7251986
12 214577039
13 8040409512

[1,1,1,1,13,65,313,2325,24995,319309,7251986,
 214577039,8040409512]

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)