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A125824 as a simple table

na(n)
01
13
29
39
427
581
681
7243
8729
9243
10729
112187
122187
136561
1419683
1519683
1659049
17177147
1859049
19177147
20531441
21531441
221594323
234782969
244782969
2514348907
2643046721
274782969
2814348907
2943046721
3043046721
31129140163
32387420489

[1,3,9,9,27,81,81,243,729,243,729,2187,2187,6561,
 19683,19683,59049,177147,59049,177147,531441,
 531441,1594323,4782969,4782969,14348907,43046721,
 4782969,14348907,43046721,43046721,129140163,
 387420489]