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A126177 as a simple table

na(n)
13
29
31
427
59
681
754
82
9243
10270
1130
12729
131215
14270
155
162187
175103
181890
19105
206561
2120412
2211340
231260
2414
2519683
2678732
2761236
2811340
29378
3059049
31295245
32306180
3385050
345670
3542
36177147
371082565
381443420
39561330
4062370
411386
42531441
433897234

[3,9,1,27,9,81,54,2,243,270,30,729,1215,270,5,
 2187,5103,1890,105,6561,20412,11340,1260,14,19683,
 78732,61236,11340,378,59049,295245,306180,85050,
 5670,42,177147,1082565,1443420,561330,62370,1386,
 531441,3897234]