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A038242 as a simple table

na(n)
01
14
212
316
496
5144
664
7576
81728
91728
10256
113072
1213824
1327648
1420736
151024
1615360
1792160
18276480
19414720
20248832
214096
2273728
23552960
242211840
254976640
265971968
272985984
2816384
29344064
303096576
3115482880
3246448640
3383607552

[1,4,12,16,96,144,64,576,1728,1728,256,3072,13824,
 27648,20736,1024,15360,92160,276480,414720,248832,
 4096,73728,552960,2211840,4976640,5971968,2985984,
 16384,344064,3096576,15482880,46448640,83607552]