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A038610 as a simple table

na(n)
11
21
32
43
512
65
760
8105
9280
1063
112520
12385
1327720
146435
158008
1645045
17720720
1885085
1912252240
202909907
213695120
221322685
23232792560
2437182145
251070845776
26128707425
272974571600
28717084225
2980313433200
30215656441
312329089562800

[1,1,2,3,12,5,60,105,280,63,2520,385,27720,6435,
 8008,45045,720720,85085,12252240,2909907,3695120,
 1322685,232792560,37182145,1070845776,128707425,
 2974571600,717084225,80313433200,215656441,
 2329089562800]