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A188881 as a simple table

na(n)
11
21
31
42
53
62
76
811
912
106
1124
1250
1370
1460
1524
16120
17274
18450
19510
20360
21120
22720
231764
243248
254410
264200
272520
28720
295040
3013068
3126264
3240614
3347040
3438640
3520160
365040
3740320
38109584
39236248
40403704
41538776
42544320
43393120
44181440
4540320

[1,1,1,2,3,2,6,11,12,6,24,50,70,60,24,120,274,450,
 510,360,120,720,1764,3248,4410,4200,2520,720,5040,
 13068,26264,40614,47040,38640,20160,5040,40320,
 109584,236248,403704,538776,544320,393120,181440,
 40320]