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A193156 as a simple table

n a(n)
1 0
2 1
3 21
4 1093
5 172217
6 81613877
7 113899763795
8 468482952092893
9 5676720267644621509 

[0,1,21,1093,172217,81613877,113899763795,
 468482952092893,5676720267644621509]

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Last modified May 6 21:30 EDT 2024. Contains 372297 sequences. (Running on oeis4.)