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A369679 as a simple table

n a(n)
0 2
1 20
2 1190
3 449540
4 1094267450
5 17283181758500
6 1774660248586902950
7 1182579046508766038251700
8 5134581376819479940742838299450
9 144547890423248529154421336209389168500
10 26527720524980501045637796065988864058001683750
11 31574745853363739268697794406696294745967395732336262500 

[2,20,1190,449540,1094267450,17283181758500,
 1774660248586902950,1182579046508766038251700,
 5134581376819479940742838299450,
 144547890423248529154421336209389168500,
 26527720524980501045637796065988864058001683750,
 31574745853363739268697794406696294745967395732336\
 262500]

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Last modified August 7 15:12 EDT 2024. Contains 375017 sequences. (Running on oeis4.)