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A157385 as a simple table

na(n)
11
21
35
41
515
630
71
8105
9120
10210
111
12425
131800
141050
151680
161
173075
1818600
1918900
2010080
2115120
221
2315855
24174300
25338100
26211680
27105840
28151200
291
30123515
312227680
324865700
334327680
342540160
351209600
361663200
371
38757755

[1,1,5,1,15,30,1,105,120,210,1,425,1800,1050,1680,
 1,3075,18600,18900,10080,15120,1,15855,174300,
 338100,211680,105840,151200,1,123515,2227680,
 4865700,4327680,2540160,1209600,1663200,1,757755]