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A208650 as a simple table

na(n)
11
22
36
436
5480
615000
71134000
8211768200
999131719680
10117595223746560
11356467003200000000
122779532232516963000000
1356049508602150185041920000
142935889842347365340037522521600

[1,2,6,36,480,15000,1134000,211768200,99131719680,
 117595223746560,356467003200000000,
 2779532232516963000000,56049508602150185041920000,
 2935889842347365340037522521600]