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A214439 as a simple table

na(n)
-13
03
19
29
327
41
581
681
7243
8243
9729
101
112187
122187
136561
146561
1519683
161
1759049
1859049
19177147
20177147
21531441
221
231594323
241594323
254782969
264782969
2714348907
281
2943046721
3043046721
31129140163
32129140163
33387420489
341
351162261467

[3,3,9,9,27,1,81,81,243,243,729,1,2187,2187,6561,
 6561,19683,1,59049,59049,177147,177147,531441,1,
 1594323,1594323,4782969,4782969,14348907,1,
 43046721,43046721,129140163,129140163,387420489,1,
 1162261467]