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A143006 as a simple table

n a(n)
0 0
1 1
2 129
3 30251
4 11129080
5 5985956824
6 4501140404544
7 4577449694922432
8 6130634638657941504
9 10576998168036159614976
10 23068077837238986190848000
11 62571876653848665596203008000
12 208106990164246904792046895104000 

[0,1,129,30251,11129080,5985956824,4501140404544,
 4577449694922432,6130634638657941504,
 10576998168036159614976,
 23068077837238986190848000,
 62571876653848665596203008000,
 208106990164246904792046895104000]

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Last modified April 23 12:44 EDT 2024. Contains 371913 sequences. (Running on oeis4.)