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A373343 as a simple table

na(n)
11
21
31
42
51
61
76
824
92
101
1124
1220736
13373248
1416
151
16120
17995328000
18189321481108517289984
1912635683568857645056
202048
211

[1,1,1,2,1,1,6,24,2,1,24,20736,373248,16,1,120,
 995328000,189321481108517289984,
 12635683568857645056,2048,1]