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A068795 as a simple table

na(n)
11
22
33
44
55
69
77
88
99
1025
1111
1227
1313
1449
1525
1616
1717
1827
1919
20125
2149
22121
2323
2481
2525
26169
2727
28343
2929
30125
3131
3232
33121
34289
3549
3681
3737
38361
39169
40625
4141
42343
4343
441331
45125
46529
4747
48243
4949
50125
51289
522197
5353
5481
55121
562401
57361
58841
5959
60625
6161

[1,2,3,4,5,9,7,8,9,25,11,27,13,49,25,16,17,27,19,
 125,49,121,23,81,25,169,27,343,29,125,31,32,121,
 289,49,81,37,361,169,625,41,343,43,1331,125,529,
 47,243,49,125,289,2197,53,81,121,2401,361,841,59,
 625,61]