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A038547 as a simple table

na(n)
11
23
39
415
581
645
7729
8105
9225
10405
1159049
12315
13531441
143645
152025
16945
1743046721
181575
19387420489
202835
2118225
22295245
2331381059609
243465
2550625
262657205
2711025
2825515
2922876792454961
3014175
31205891132094649
3210395
331476225
34215233605

[1,3,9,15,81,45,729,105,225,405,59049,315,531441,
 3645,2025,945,43046721,1575,387420489,2835,18225,
 295245,31381059609,3465,50625,2657205,11025,25515,
 22876792454961,14175,205891132094649,10395,
 1476225,215233605]