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A086748 as a simple table

na(n)
13
25
39
415
521
625
727
833
935
1039
1145
1251
1355
1457
1563
1665
1769
1875
1981
2085
2187
2293
2395
2499
25105
26111
27115
28117
29123
30125
31129
32135
33141
34145
35147
36153
37155
38159
39165
40171
41175
42177
43183
44185
45189
46195
47201
48205
49207
50213
51215
52219
53225
54231
55235
56237
57243
58245

[3,5,9,15,21,25,27,33,35,39,45,51,55,57,63,65,69,
 75,81,85,87,93,95,99,105,111,115,117,123,125,129,
 135,141,145,147,153,155,159,165,171,175,177,183,
 185,189,195,201,205,207,213,215,219,225,231,235,
 237,243,245]