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A140307
as a simple table
n
a(n)
0
1
1
2
2
16
3
256
4
15982
5
3082378
6
1476568000
7
2280441045555
8
10599616558936358
9
140380164790852384033
[1,2,16,256,15982,3082378,1476568000, 2280441045555,10599616558936358, 140380164790852384033]
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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)