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A257292 as a simple table

na(n)
15
29
311
413
515
619
721
823
925
1027
1129
1231
1333
1435
1537
1639
1743
1845
1947
2049
2151
2253
2355
2457
2559
2661
2763
2865
2967
3069
3171
3273
3375
3477
3579
3681
3783
3885
3987
4089
4191
4293
4395
4497
45101
46103
47105
48107
49109
50111
51113
52115
53117
54119
55121
56123
57125
58127
59129
60131

[5,9,11,13,15,19,21,23,25,27,29,31,33,35,37,39,43,
 45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,
 77,79,81,83,85,87,89,91,93,95,97,101,103,105,107,
 109,111,113,115,117,119,121,123,125,127,129,131]