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A057666 as a simple table

na(n)
00
1960
210800
360480
4235200
5725760
61905120
74435200
89408960
918532800
1034354320
1160540480
12102211200
13166333440
14262180800
15401863680
16600935040
17879076800
181260871920
191776667200
202463531840
213366316800
224538820000

[0,960,10800,60480,235200,725760,1905120,4435200,
 9408960,18532800,34354320,60540480,102211200,
 166333440,262180800,401863680,600935040,879076800,
 1260871920,1776667200,2463531840,3366316800,
 4538820000]