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A069467 as a simple table

na(n)
13
25
37
411
513
617
719
8179
9181
10191
11193
12197
13199
14809
15811
16821
17823
18827
19829
203359
213361
223371
233373
243389
253391
264217
274219
284229
294231
304241
314243
326761
336763
346779
356781
366791
376793
389419
399421
409431
419433
429437
439439
449461
459463
4618041

[3,5,7,11,13,17,19,179,181,191,193,197,199,809,
 811,821,823,827,829,3359,3361,3371,3373,3389,3391,
 4217,4219,4229,4231,4241,4243,6761,6763,6779,6781,
 6791,6793,9419,9421,9431,9433,9437,9439,9461,9463,
 18041]