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A121388 as a simple table

na(n)
13
25
37
49
513
611
715
821
917
1019
1125
1235
1333
1429
1523
1627
1765
1839
1949
2037
2131
2245
2363
2485
2551
2657
2741
2843
2975
30105
3199
32145
3355
3469
3553
3647
37125
38175
39117
40147
41169
4287
4377
4461
4559
4681
47325
48195
49153
50171
51185
5291
5393
5473
5567
56135
57189
58425
59255
60165
61207
62205
6395
64121
6589

[3,5,7,9,13,11,15,21,17,19,25,35,33,29,23,27,65,
 39,49,37,31,45,63,85,51,57,41,43,75,105,99,145,55,
 69,53,47,125,175,117,147,169,87,77,61,59,81,325,
 195,153,171,185,91,93,73,67,135,189,425,255,165,
 207,205,95,121,89]