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A273717 as a simple table

na(n)
21
32
44
51
68
75
816
918
101
1132
1256
139
1464
15160
1650
171
18128
19432
20220
2114
22256
231120
24840
25110
261
27512
282816
292912
30645
3120
321024
336912
349408
353150
36210
371
382048
3916640
4028800
4113552
421575
4327
444096
4539424
4684480
4753088
489534
49364
501
518192
5292160
53239360
54193440
5549644
563388
5735
5816384
59212992
60658944
61665280
62231000
6324822
64588

[1,2,4,1,8,5,16,18,1,32,56,9,64,160,50,1,128,432,
 220,14,256,1120,840,110,1,512,2816,2912,645,20,
 1024,6912,9408,3150,210,1,2048,16640,28800,13552,
 1575,27,4096,39424,84480,53088,9534,364,1,8192,
 92160,239360,193440,49644,3388,35,16384,212992,
 658944,665280,231000,24822,588]