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A136655 as a simple table

na(n)
11
21
33
41
55
63
77
81
927
105
1111
123
1313
147
15225
161
1717
1827
1919
205
21441
2211
2323
243
25125
2613
27729
287
2929
30225
3131
321
331089
3417
351225
3627
3737
3819
391521
405
4141
42441
4343
4411
4591125
4623
4747
483
49343
50125
512601
5213
5353
54729
553025
567
573249
5829
5959
60225
6161
6231
63250047
641
654225
661089

[1,1,3,1,5,3,7,1,27,5,11,3,13,7,225,1,17,27,19,5,
 441,11,23,3,125,13,729,7,29,225,31,1,1089,17,1225,
 27,37,19,1521,5,41,441,43,11,91125,23,47,3,343,
 125,2601,13,53,729,3025,7,3249,29,59,225,61,31,
 250047,1,4225,1089]