A173471 - OEIS

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A173471 as a simple table

n	a(n)
1	1
2	865978374333905289360
3	4029200036771699577090637149510314768593535481600
4	385625168674948544730269377777065025703512934116695117242319729508073445176832000

[1,865978374333905289360, 4029200036771699577090637149510314768593535481600, 38562516867494854473026937777706502570351293411669\ 5117242319729508073445176832000]