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A121259 as a simple table

na(n)
13
25
37
49
513
619
721
823
927
1029
1135
1247
1349
1451
1555
1657
1761
1865
1969
2075
2177
2283
2385
2491
2597
2699
27105
28111
29117
30125
31127
32133
33135
34149
35161
36163
37173
38177
39181
40183
41187
42191
43211
44217
45239
46247
47251
48257
49259
50273
51281
52285
53295
54307
55313
56315
57317
58329
59331
60341

[3,5,7,9,13,19,21,23,27,29,35,47,49,51,55,57,61,
 65,69,75,77,83,85,91,97,99,105,111,117,125,127,
 133,135,149,161,163,173,177,181,183,187,191,211,
 217,239,247,251,257,259,273,281,285,295,307,313,
 315,317,329,331,341]