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A217883 as a simple table

na(n)
13
23
39
43
59
627
73
89
922
1081
113
129
1322
1451
15243
163
179
1822
1946
20121
21729
223
239
2422
2546
2691
27292
282187
293
309
3122
3246
3386
34183
35704
366561
373
389
3922
4046
4186
42153
43383
441691
4519683
463
479
4822
4946
5086
51148
52274
53819
544059
5559049
563
579
5822
5946
6086
61148
62244
63511
641749
659749
66177147

[3,3,9,3,9,27,3,9,22,81,3,9,22,51,243,3,9,22,46,
 121,729,3,9,22,46,91,292,2187,3,9,22,46,86,183,
 704,6561,3,9,22,46,86,153,383,1691,19683,3,9,22,
 46,86,148,274,819,4059,59049,3,9,22,46,86,148,244,
 511,1749,9749,177147]