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A086915 as a simple table

na(n)
12
24
34
412
524
68
748
8144
996
1016
11240
12960
13960
14320
1532
161440
177200
189600
194800
20960
2164
2210080
2360480
24100800
2567200
2620160
272688
28128
2980640
30564480
311128960
32940800
33376320
3475264
357168
36256
37725760
385806080
3913547520
4013547520
416773760
421806336

[2,4,4,12,24,8,48,144,96,16,240,960,960,320,32,
 1440,7200,9600,4800,960,64,10080,60480,100800,
 67200,20160,2688,128,80640,564480,1128960,940800,
 376320,75264,7168,256,725760,5806080,13547520,
 13547520,6773760,1806336]