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A162742 as a simple table

na(n)
11
21
33
41
55
63
77
81
99
105
1113
123
1311
147
1515
161
1717
189
1925
205
2121
2213
2329
243
2525
2611
2727
287
2923
3015
3131
321
3339
3417
3535
369
3741
3825
3933
405
4137
4221
4353
4413
4545
4629
4761
483
4949
5025
5151
5211
5343
5427
5565
567
5775
5823
5955
6015
6147
6231
6363
641
6555
6639
6797
6817
6987
7035
71113
729
7373
7441
7575
7625
7791
7833

[1,1,3,1,5,3,7,1,9,5,13,3,11,7,15,1,17,9,25,5,21,
 13,29,3,25,11,27,7,23,15,31,1,39,17,35,9,41,25,33,
 5,37,21,53,13,45,29,61,3,49,25,51,11,43,27,65,7,
 75,23,55,15,47,31,63,1,55,39,97,17,87,35,113,9,73,
 41,75,25,91,33]