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A152338 as a simple table

n a(n)
1 1
2 2
3 6
4 24
5 120
6 640
7 3924
8 27552
9 197364
10 1677640
11 16002846
12 159888834
13 1733332410
14 19754032288
15 242687959560
16 3279596665638 

[1,2,6,24,120,640,3924,27552,197364,1677640,
 16002846,159888834,1733332410,19754032288,
 242687959560,3279596665638]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)