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A174916 as a simple table

na(n)
13
25
311
417
529
671
7101
8281
9311
10419
11461
12521
13599
14617
15641
16659
17809
18827
19857
20881
211019
221061
231277
241289
251319
261607
271721
281949
292027
302111
312141
322309
332339
342381
352591
362729
372801
383329
393557
403581
413767
423851
434049
444127
454157
464217
474229

[3,5,11,17,29,71,101,281,311,419,461,521,599,617,
 641,659,809,827,857,881,1019,1061,1277,1289,1319,
 1607,1721,1949,2027,2111,2141,2309,2339,2381,2591,
 2729,2801,3329,3557,3581,3767,3851,4049,4127,4157,
 4217,4229]