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A286375 as a simple table

na(n)
01
12
22
336
42
596
636
7840
82
91260
1096
111260
1236
132310
14840
155040
162
171260
181260
1969300
2096
214620
221260
234320
2436
251680
262310
2712600
28840
2936960
305040
3130240
322
331260
341260
35831600
361260
37415800
3869300
392646000
4096
4127720
424620
43900900
441260
45221760
464320
47277200
4836
4983160
501680
5113860
522310
53180180
5412600
55166320
56840
5715315300
5836960
5913860
605040

[1,2,2,36,2,96,36,840,2,1260,96,1260,36,2310,840,
 5040,2,1260,1260,69300,96,4620,1260,4320,36,1680,
 2310,12600,840,36960,5040,30240,2,1260,1260,
 831600,1260,415800,69300,2646000,96,27720,4620,
 900900,1260,221760,4320,277200,36,83160,1680,
 13860,2310,180180,12600,166320,840,15315300,36960,
 13860,5040]