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A204248 as a simple table

n a(n)
0 1
1 1
2 7
3 126
4 4276
5 234300
6 18877020
7 2100159600
8 308417610816
9 57786899446080
10 13452134426136000
11 3808606484711952000
12 1288711254432792833280
13 513583129024901529834240
14 238093035025913233419052800
15 127039392937347095305900800000
16 77298350216325487808699492352000

[1,1,7,126,4276,234300,18877020,2100159600,
 308417610816,57786899446080,13452134426136000,
 3808606484711952000,1288711254432792833280,
 513583129024901529834240,
 238093035025913233419052800,
 127039392937347095305900800000,
 77298350216325487808699492352000]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)