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A307001 as a simple table

na(n)
13
25
37
49
513
615
717
821
923
1025
1129
1231
1337
1439
1541
1645
1749
1853
1955
2057
2163
2265
2369
2471
2573
2677
2779
2881
2985
3093
3195
3297
33101
34105
35109
36111
37119
38121
39125
40129
41133
42135
43137
44141
45143
46149
47151
48153
49157
50161
51169
52175
53177
54181
55183
56185
57189
58193
59197

[3,5,7,9,13,15,17,21,23,25,29,31,37,39,41,45,49,
 53,55,57,63,65,69,71,73,77,79,81,85,93,95,97,101,
 105,109,111,119,121,125,129,133,135,137,141,143,
 149,151,153,157,161,169,175,177,181,183,185,189,
 193,197]