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A004347 as a simple table

n a(n)
5 1
6 30
7 595
8 9880
9 148995
10 2118760
11 28989675
12 386206920
13 5047381560
14 65033528560
15 828931106355
16 10477677064400
17 131567066917650
18 1643385429346680
19 20439879147794485
20 253338471349988640

[1,30,595,9880,148995,2118760,28989675,386206920,
 5047381560,65033528560,828931106355,
 10477677064400,131567066917650,1643385429346680,
 20439879147794485,253338471349988640]

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Last modified October 24 08:15 EDT 2021. Contains 348217 sequences. (Running on oeis4.)