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A072501 as a simple table

na(n)
11
22
33
44
55
69
77
816
99
1025
1111
1248
1313
1449
1525
1664
1717
18162
1919
20125
2149
22121
2323
24576
2525
26169
2781
28343
2929
30900
3131
32512
33121
34289
3549
362916
3737
38361
39169
401600
4141
422401
4343
441331
45405
46529
4747
4812288
4949
501250
51289
522197
5353
546561
55121
563136
57361
58841
5959

[1,2,3,4,5,9,7,16,9,25,11,48,13,49,25,64,17,162,
 19,125,49,121,23,576,25,169,81,343,29,900,31,512,
 121,289,49,2916,37,361,169,1600,41,2401,43,1331,
 405,529,47,12288,49,1250,289,2197,53,6561,121,
 3136,361,841,59]