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A268426 as a simple table

na(n)
173
297
3157
4229
5277
6337
7349
8397
9409
10421
11577
12613
13661
14709
15757
16829
17877
181009
191069
201117
211429
221549
231621
241669
251741
261789
272053
282269
292293
302389
312437
322557
332797
342857
352917
363109
373301
383517
393529
403637

[73,97,157,229,277,337,349,397,409,421,577,613,
 661,709,757,829,877,1009,1069,1117,1429,1549,1621,
 1669,1741,1789,2053,2269,2293,2389,2437,2557,2797,
 2857,2917,3109,3301,3517,3529,3637]