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A156765 as a simple table

na(n)
01
11
21
31
46
51
61
742
842
91
101
11360
122520
13360
141
151
163720
17223200
18223200
193720
201
211
2245360
2328123200
24241056000
2528123200
2645360
271
281
29640080
304839004800
31428597568000
32428597568000
334839004800
34640080
351
361
3710281600
381096841088000
391184588375040000
4012240746542080000
411184588375040000
421096841088000
4310281600
441

[1,1,1,1,6,1,1,42,42,1,1,360,2520,360,1,1,3720,
 223200,223200,3720,1,1,45360,28123200,241056000,
 28123200,45360,1,1,640080,4839004800,428597568000,
 428597568000,4839004800,640080,1,1,10281600,
 1096841088000,1184588375040000,12240746542080000,
 1184588375040000,1096841088000,10281600,1]