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A162954 as a simple table

na(n)
11
22
39
48
512
618
7448
8128
920
1036
11704
1248
13832
141216
15720
1632768
1768
1872
191296
2080
211344
221600
23900
2496
252240
262368
271200
282624
291584
302352
31414720
322147483648
33132
34160
353136
36260
374288
384416
392448
40272
414672
425184
432704
446208
453600
464400
47640000

[1,2,9,8,12,18,448,128,20,36,704,48,832,1216,720,
 32768,68,72,1296,80,1344,1600,900,96,2240,2368,
 1200,2624,1584,2352,414720,2147483648,132,160,
 3136,260,4288,4416,2448,272,4672,5184,2704,6208,
 3600,4400,640000]