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A353131 as a simple table

na(n)
12
22
34
412
512
68
772
8108
948
1016
11480
12960
13600
14160
1532
163600
179360
187320
192640
20480
2164
2230240
23100800
2495760
2542000
2610080
271344
28128
29282240
301189440
311350720
32700560
33201600
3434944
353584
36256
372903040
3815240960
3920442240
4012337920
414142880
42854784
43112896
449216
45512

[2,2,4,12,12,8,72,108,48,16,480,960,600,160,32,
 3600,9360,7320,2640,480,64,30240,100800,95760,
 42000,10080,1344,128,282240,1189440,1350720,
 700560,201600,34944,3584,256,2903040,15240960,
 20442240,12337920,4142880,854784,112896,9216,512]