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A147734 as a simple table

n a(n)
1 1
2 2
3 6
4 24
5 120
6 624
7 4176
8 31564
9 271972
10 2654974
11 28246094
12 318206598
13 4037341122
14 53169596506 

[1,2,6,24,120,624,4176,31564,271972,2654974,
 28246094,318206598,4037341122,53169596506]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)