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A172855 as a simple table

n a(n)
1 0
2 5
3 355
4 126660
5 160936020
6 596500235301
7 5533046895002949
8 114246189025868653880
9 4791845694620286764862960
10 379477402498522892976988816800
11 53453544889838303139764031973905360 

[0,5,355,126660,160936020,596500235301,
 5533046895002949,114246189025868653880,
 4791845694620286764862960,
 379477402498522892976988816800,
 53453544889838303139764031973905360]

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Last modified July 20 19:37 EDT 2024. Contains 374459 sequences. (Running on oeis4.)