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A137394 as a simple table

na(n)
11
22
34
46
512
612
724
864
948
1032
11120
12320
13400
14160
1580
16720
172208
182400
191920
20480
21192
225040
2315456
2421952
2513440
267840
271344
28448
2940320
30135168
31175616
32157696
3362720
3428672
353584
361024
37362880
381216512
391884672
401419264
41919296
42258048

[1,2,4,6,12,12,24,64,48,32,120,320,400,160,80,720,
 2208,2400,1920,480,192,5040,15456,21952,13440,
 7840,1344,448,40320,135168,175616,157696,62720,
 28672,3584,1024,362880,1216512,1884672,1419264,
 919296,258048]