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A048870 as a simple table

na(n)
01
11
21
34
410
51
630
7132
827
91
10336
112232
12696
1352
141
155040
1646320
1719500
182200
1985
201
2195040
221141920
23606960
2491800
255340
26126
271
282162160
2932639040
3020991600
313986640
32310170
3311004
34175
351
3657657600
371061746560
38802287360
39183550080

[1,1,1,4,10,1,30,132,27,1,336,2232,696,52,1,5040,
 46320,19500,2200,85,1,95040,1141920,606960,91800,
 5340,126,1,2162160,32639040,20991600,3986640,
 310170,11004,175,1,57657600,1061746560,802287360,
 183550080]