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A319987 as a simple table

na(n)
11
23
35
49
511
615
717
827
925
1033
115
1245
1311
1451
1555
1681
172
1875
195
2099
2185
2215
2317
24135
25121
2633
27125
28153
2911
30165
3117
32243
3325
346
35187
36225
3711
3815
3955
40297
412
42255
435
4445
45275
4651
4717
48405
49289
50363
5110
5299
5311
54375
5555
56459
5725
5833
595
60495
6111
6251
63425
64729
65121
6675
675
6818
6985
70561
7117
72675
732
7433
75605
7645
7785
78165
7917
80891
81625
826
835

[1,3,5,9,11,15,17,27,25,33,5,45,11,51,55,81,2,75,
 5,99,85,15,17,135,121,33,125,153,11,165,17,243,25,
 6,187,225,11,15,55,297,2,255,5,45,275,51,17,405,
 289,363,10,99,11,375,55,459,25,33,5,495,11,51,425,
 729,121,75,5,18,85,561,17,675,2,33,605,45,85,165,
 17,891,625,6,5]