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A238754 as a simple table

na(n)
01
11
21
31
415
51
61
780
880
91
101
11240
121280
13240
141
151
16624
179984
189984
19624
201
211
221200
2349920
24149760
2549920
261200
271
281
292400
30192000
311497600
321497600
33192000
342400
351
361
373840
38614400
399216000
4023961600
419216000
42614400
433840
441
451
466480
471658880

[1,1,1,1,15,1,1,80,80,1,1,240,1280,240,1,1,624,
 9984,9984,624,1,1,1200,49920,149760,49920,1200,1,
 1,2400,192000,1497600,1497600,192000,2400,1,1,
 3840,614400,9216000,23961600,9216000,614400,3840,
 1,1,6480,1658880]