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A206660 as a simple table

n a(n)
1 81
2 2691
3 166605
4 25229685
5 10351091007
6 11143560422013
7 30831727837091925
8 217363460829124577235
9 3903604149526204562445729 

[81,2691,166605,25229685,10351091007,
 11143560422013,30831727837091925,
 217363460829124577235,3903604149526204562445729]

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Last modified September 11 21:10 EDT 2024. Contains 375839 sequences. (Running on oeis4.)