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A103621 as a simple table

na(n)
17
29
311
413
523
625
727
861
971
1073
1175
1277
1387
1489
1591
16125
17135
18137
19139
20141
21151
22153
23155
24189
25199
26201
27203
28205
29215
30217
31219
32253
33263
34265
35267
36269
37279
38281
39283
40317
41327
42329
43331
44333
45343
46345
47347
48381
49391
50393
51395
52397
53407
54409
55411
56445

[7,9,11,13,23,25,27,61,71,73,75,77,87,89,91,125,
 135,137,139,141,151,153,155,189,199,201,203,205,
 215,217,219,253,263,265,267,269,279,281,283,317,
 327,329,331,333,343,345,347,381,391,393,395,397,
 407,409,411,445]