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A133494 as a simple table

na(n)
01
11
23
39
427
581
6243
7729
82187
96561
1019683
1159049
12177147
13531441
141594323
154782969
1614348907
1743046721
18129140163
19387420489
201162261467
213486784401
2210460353203
2331381059609
2494143178827
25282429536481
26847288609443
272541865828329
287625597484987

[1,1,3,9,27,81,243,729,2187,6561,19683,59049,
 177147,531441,1594323,4782969,14348907,43046721,
 129140163,387420489,1162261467,3486784401,
 10460353203,31381059609,94143178827,282429536481,
 847288609443,2541865828329,7625597484987]