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A173890 as a simple table

na(n)
01
11
21
31
42
51
61
772
872
91
101
11840
1230240
13840
141
151
162880
171209600
181209600
192880
201
211
227560
2310886400
24127008000
2510886400
267560
271
281
2916800
3063504000
312540160000
322540160000
3363504000
3416800
351
361
3733264
38279417600
3929338848000
40100590336000
4129338848000
42279417600
4333264
441

[1,1,1,1,2,1,1,72,72,1,1,840,30240,840,1,1,2880,
 1209600,1209600,2880,1,1,7560,10886400,127008000,
 10886400,7560,1,1,16800,63504000,2540160000,
 2540160000,63504000,16800,1,1,33264,279417600,
 29338848000,100590336000,29338848000,279417600,
 33264,1]