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A171636 as a simple table

na(n)
12
224
30
41
5480
60
716
813440
90
10360
110
121
13483840
140
1510752
160
1742
1821288960
190
20403200
210
221728
230
241
251107025920
260
2718247680
280
2979200
300
3180
3266421555200
330
34968647680
350
364118400
370
385280
390
401
414516665753600
420
4359041382400
440
45242161920

[2,24,0,1,480,0,16,13440,0,360,0,1,483840,0,10752,
 0,42,21288960,0,403200,0,1728,0,1,1107025920,0,
 18247680,0,79200,0,80,66421555200,0,968647680,0,
 4118400,0,5280,0,1,4516665753600,0,59041382400,0,
 242161920]