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A100948 as a simple table

na(n)
21
31
42
52
63
76
88
912
1024
1140
1260
13120
14240
15360
16720
171680
182520
195040
2013440
2120160
2240320
23120960
24181440
25362880
261209600
271814400
283628800

[1,1,2,2,3,6,8,12,24,40,60,120,240,360,720,1680,
 2520,5040,13440,20160,40320,120960,181440,362880,
 1209600,1814400,3628800]