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A342810 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1021
1127
1281
13191
14243
15729
16999
172187
182997
196561
208991
2119683
2226973
2333321
2436963
2539049
2659049
2780919
28100389
29110889
30118827
31177147
32177897
33183951
34242757
35332667
36356481
37531441
38551853
39728271
40998001
411069443
421367631
431594323
441655559
452184813

[1,2,3,4,5,6,7,8,9,21,27,81,191,243,729,999,2187,
 2997,6561,8991,19683,26973,33321,36963,39049,
 59049,80919,100389,110889,118827,177147,177897,
 183951,242757,332667,356481,531441,551853,728271,
 998001,1069443,1367631,1594323,1655559,2184813]