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A057262 as a simple table

na(n)
11
23
39
427
581
687
7243
8729
91027
101467
112187
122781
136561
1419683
1535901
1659049
1762613
1863423
1963909
20136503
21137133
22177147
23531441
24925101
251594323
262785509
273680883
284782969
295080077
306409507

[1,3,9,27,81,87,243,729,1027,1467,2187,2781,6561,
 19683,35901,59049,62613,63423,63909,136503,137133,
 177147,531441,925101,1594323,2785509,3680883,
 4782969,5080077,6409507]