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A046021 as a simple table

na(n)
11
22
33
44
55
69
77
832
927
1025
1111
12243
1313
1449
15125
164096
1717
182187
1919
20625
21343
22121
2323
2459049
253125
26169
27177147
282401
2929
3078125
3131
32134217728
331331
34289
3516807
3643046721
3737
38361
392197
401953125
4141
42117649
4343
4414641
459765625
46529
4747

[1,2,3,4,5,9,7,32,27,25,11,243,13,49,125,4096,17,
 2187,19,625,343,121,23,59049,3125,169,177147,2401,
 29,78125,31,134217728,1331,289,16807,43046721,37,
 361,2197,1953125,41,117649,43,14641,9765625,529,
 47]