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A330620 as a simple table

n a(n)
1 0
2 1
3 2
4 10
5 54
6 392
7 3378
8 34120
9 393738
10 5112406
11 73756026
12 1170482186
13 20263782630
14 380047964920
15 7676106365966
16 166114208828980
17 3834434324386350
18 94042629535109500
19 2442147034719168714
20 66942194906112161302
21 1931543452345335094678
22 58519191359163454708564

[0,1,2,10,54,392,3378,34120,393738,5112406,
 73756026,1170482186,20263782630,380047964920,
 7676106365966,166114208828980,3834434324386350,
 94042629535109500,2442147034719168714,
 66942194906112161302,1931543452345335094678,
 58519191359163454708564]

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Last modified March 3 00:22 EST 2024. Contains 370499 sequences. (Running on oeis4.)