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A038172 as a simple table

n a(n)
1 1
2 1
3 5
4 28
5 225
6 2274
7 24955
8 286143
9 3367443
10 40358811
11 490598186

[1,1,5,28,225,2274,24955,286143,3367443,40358811,
 490598186]

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Last modified March 29 10:59 EDT 2024. Contains 371277 sequences. (Running on oeis4.)