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A160586 as a simple table

na(n)
01
11
22
33
48
530
6720
7210
840320
990720
101209600
11226800
1243545600
135241600
147925299200
1514859936000
16634023936000
178083805184000
18582033973248000
19115194223872000
20221172909834240000
211161157776629760000

[1,1,2,3,8,30,720,210,40320,90720,1209600,226800,
 43545600,5241600,7925299200,14859936000,
 634023936000,8083805184000,582033973248000,
 115194223872000,221172909834240000,
 1161157776629760000]