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A303823 as a simple table

na(n)
01
12
26
34
412
560
636
7180
81260
964
10192
11960
12576
132880
1420160
1514400
16100800
171108800
1846656
19233280
201632960
211166400
228164800
2389812800
2457153600
25628689600
268172964800
2716
2848
29240
30144
31720
325040
333600
3425200
35277200
365184
3725920
38181440
39129600

[1,2,6,4,12,60,36,180,1260,64,192,960,576,2880,
 20160,14400,100800,1108800,46656,233280,1632960,
 1166400,8164800,89812800,57153600,628689600,
 8172964800,16,48,240,144,720,5040,3600,25200,
 277200,5184,25920,181440,129600]