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A264641 as a simple table

n a(n)
1 1
2 1
3 6
4 30
5 284
6 2344
7 31632
8 492432
9 12098624
10 236007424
11 6065647616
12 159458086912
13 6086725226496
14 260007588237312

[1,1,6,30,284,2344,31632,492432,12098624,
 236007424,6065647616,159458086912,6086725226496,
 260007588237312]

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Last modified January 18 03:02 EST 2022. Contains 350410 sequences. (Running on oeis4.)