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A220552 as a simple table

n a(n)
1 21
2 5536
3 940432
4 174911750
5 32001129185
6 5873481159019
7 1077372801893440
8 197644957649145164
9 36257360400073221806
10 6651328207323063530996
11 1220169722761405665767328
12 223837152224277574339972896

[21,5536,940432,174911750,32001129185,
 5873481159019,1077372801893440,197644957649145164,
 36257360400073221806,6651328207323063530996,
 1220169722761405665767328,
 223837152224277574339972896]

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Last modified May 22 05:07 EDT 2024. Contains 372742 sequences. (Running on oeis4.)