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A216971 as a simple table

na(n)
11
22
32
46
518
63
724
8156
972
104
11120
121520
131260
14220
155
16720
1717310
1821000
197020
20600
216
225040
23232932
24363720
25187320
2632970
271554
287
2940320
303698744
316794256
324746840
331351840
34141288
353920
368
37362880
3868680656
39139241088
40121105152
4148822480
428625456
43573048
449720
459
463628800
471471193370

[1,2,2,6,18,3,24,156,72,4,120,1520,1260,220,5,720,
 17310,21000,7020,600,6,5040,232932,363720,187320,
 32970,1554,7,40320,3698744,6794256,4746840,
 1351840,141288,3920,8,362880,68680656,139241088,
 121105152,48822480,8625456,573048,9720,9,3628800,
 1471193370]