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A111575 as a simple table

na(n)
01
11
21
31
43
53
63
73
89
99
109
119
1227
1327
1427
1527
1681
1781
1881
1981
20243
21243
22243
23243
24729
25729
26729
27729
282187
292187
302187
312187
326561
336561
346561
356561
3619683
3719683
3819683
3919683
4059049
4159049
4259049
4359049
44177147
45177147
46177147
47177147
48531441

[1,1,1,1,3,3,3,3,9,9,9,9,27,27,27,27,81,81,81,81,
 243,243,243,243,729,729,729,729,2187,2187,2187,
 2187,6561,6561,6561,6561,19683,19683,19683,19683,
 59049,59049,59049,59049,177147,177147,177147,
 177147,531441]