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A029947 as a simple table

na(n)
127
2343
3125
427
591125
61331
71728
82197
9103823
10729
111331
123375
13531441
14343
15250047
1650653
176859
189261
1912167
20571787
2197336
2229791
235832
2424389
252197
261191016
27103823
2810793861
291092727
3011390625
3113481272
3213144256

[27,343,125,27,91125,1331,1728,2197,103823,729,
 1331,3375,531441,343,250047,50653,6859,9261,12167,
 571787,97336,29791,5832,24389,2197,1191016,103823,
 10793861,1092727,11390625,13481272,13144256]