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A173750 as a simple table

n a(n)
1 1
2 1
3 2
4 330
5 714
6 13530
7 192660
8 512820
9 4601310
10 863815050
11 262428279750
12 2169289182060
13 2169289182060
14 2169289182060
15 4646092391146085880

[1,1,2,330,714,13530,192660,512820,4601310,
 863815050,262428279750,2169289182060,
 2169289182060,2169289182060,4646092391146085880]

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Last modified April 23 11:35 EDT 2024. Contains 371912 sequences. (Running on oeis4.)