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A152970 as a simple table

na(n)
01
11
21
31
44
51
61
711
811
91
101
1115
1288
1315
141
151
1672
17287
18287
1972
201
211
22420
23840
242518
25840
26420
271
281
292880
305760
3111519
3211519
335760
342880
351
361
3722680
3845360
3968040
4090718
4168040
4245360
4322680
441
451
46201600
47403200
48604800
49604799
50604799
51604800

[1,1,1,1,4,1,1,11,11,1,1,15,88,15,1,1,72,287,287,
 72,1,1,420,840,2518,840,420,1,1,2880,5760,11519,
 11519,5760,2880,1,1,22680,45360,68040,90718,68040,
 45360,22680,1,1,201600,403200,604800,604799,
 604799,604800]