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A089276 as a simple table

na(n)
11
21
38
41
548
6180
71
8160
93204
108064
111
12400
1324972
14311328
15604800
161
17840
18125468
194654656
2042454080
2168428800
221
231568
24476728
2540968960
261073980368
277803233280
2810897286400
291
302688
311490328
32254542720
3315076235088
34306406471680

[1,1,8,1,48,180,1,160,3204,8064,1,400,24972,
 311328,604800,1,840,125468,4654656,42454080,
 68428800,1,1568,476728,40968960,1073980368,
 7803233280,10897286400,1,2688,1490328,254542720,
 15076235088,306406471680]