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A225069 as a simple table

na(n)
19
2265926
39909504
428123200
534171875
69833523682950
7189619679700
81489258878162739200
932051313254079000000000
10231538926078057635957250
115980078350588060426240000

[9,265926,9909504,28123200,34171875,9833523682950,
 189619679700,1489258878162739200,
 32051313254079000000000,231538926078057635957250,
 5980078350588060426240000]