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A062027 as a simple table

na(n)
11
21
31
496
5274
6720
71680
83520
96750
1012048
1120284
1232544
1350154
1474704
15108072
16152448
17210358
18284688
19378708
20496096
21640962
22817872
231031872
241288512
251593870
261954576
272377836
282871456
293443866
304104144
314862040
325728000

[1,1,1,96,274,720,1680,3520,6750,12048,20284,
 32544,50154,74704,108072,152448,210358,284688,
 378708,496096,640962,817872,1031872,1288512,
 1593870,1954576,2377836,2871456,3443866,4104144,
 4862040,5728000]