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A005801 as a simple table

n a(n)
0 0
1 30
2 217800
3 16294301520
4 6544151202877440
5 9764950519194817858560
6 42762698240957239228617722880
7 466476501707480855594001261422438400
8 11235366943887873286558941529247982529413120 

[0,30,217800,16294301520,6544151202877440,
 9764950519194817858560,
 42762698240957239228617722880,
 466476501707480855594001261422438400,
 11235366943887873286558941529247982529413120]

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)