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A168558 as a simple table

n a(n)
1 0
2 2
3 7
4 53
5 2814
6 7918602
7 62704257634411
8 3931823925482590177731316929
9 15459239380997324838780881526042196711953237316641991050 

[0,2,7,53,2814,7918602,62704257634411,
 3931823925482590177731316929,
 15459239380997324838780881526042196711953237316641\
 991050]

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)