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A013619 as a simple table

na(n)
01
11
212
31
424
5144
61
736
8432
91728
101
1148
12864
136912
1420736
151
1660
171440
1817280
19103680
20248832
211
2272
232160
2434560
25311040
261492992
272985984
281
2984
303024
3160480
32725760
335225472
3420901888
3535831808
361
3796
384032
3996768
401451520
4113934592
4283607552
43286654464
44429981696

[1,1,12,1,24,144,1,36,432,1728,1,48,864,6912,
 20736,1,60,1440,17280,103680,248832,1,72,2160,
 34560,311040,1492992,2985984,1,84,3024,60480,
 725760,5225472,20901888,35831808,1,96,4032,96768,
 1451520,13934592,83607552,286654464,429981696]