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A071796 as a simple table

na(n)
11
21
31
41
51
62
72
86
92
104
1112
1220
1320
1460
154
1684
17420
18840
19840
20504
218
22120
232520
243080
253080
263080
273080
2817160
2951480
303432
313432
32360360
3310920
34624
3548048
364084080
371361360
3812252240
39314160
4017907120
41232792560
4233256080
4333256080
444232592
4521162960

[1,1,1,1,1,2,2,6,2,4,12,20,20,60,4,84,420,840,840,
 504,8,120,2520,3080,3080,3080,3080,17160,51480,
 3432,3432,360360,10920,624,48048,4084080,1361360,
 12252240,314160,17907120,232792560,33256080,
 33256080,4232592,21162960]