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A158569 as a simple table

n a(n)
1 1
2 1
3 2
4 4
5 12
6 54
7 609
8 28656
9 14930351
10 365435296161
11 4660046610375530308
12 1454489111232772683678306641952
13 5789092068864820527338372482892113982249794889764

[1,1,2,4,12,54,609,28656,14930351,365435296161,
 4660046610375530308,
 1454489111232772683678306641952,
 5789092068864820527338372482892113982249794889764]

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Last modified March 28 17:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)