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A355171 as a simple table

n a(n)
0 0
1 1
2 7
3 50
4 406
5 3804
6 41028
7 506064
8 7084656
9 111690720
10 1967421600
11 38425449600
12 825970435200
13 19404363283200
14 495012834489600
15 13632039812966400
16 403120633444300800
17 12740557701389414400
18 428546132879432601600
19 15284163618598275072000
20 576073025410937628672000

[0,1,7,50,406,3804,41028,506064,7084656,111690720,
 1967421600,38425449600,825970435200,
 19404363283200,495012834489600,13632039812966400,
 403120633444300800,12740557701389414400,
 428546132879432601600,15284163618598275072000,
 576073025410937628672000]

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Last modified September 4 23:23 EDT 2024. Contains 375685 sequences. (Running on oeis4.)