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A342150 as a simple table

na(n)
13
27
313
431
543
673
797
8127
9241
10307
11349
12379
13409
14547
15577
16643
17937
181009
191021
201249
211399
221597
231627
241987
252341
262437
272647
282689
292887
303079
313517
323583
333793
343823
354201
364231
374243
384483
395839
406091
416133
426247
436679
446793
456961
467477
477507
488233
4910303
5012487
5113219
5213411
5313681

[3,7,13,31,43,73,97,127,241,307,349,379,409,547,
 577,643,937,1009,1021,1249,1399,1597,1627,1987,
 2341,2437,2647,2689,2887,3079,3517,3583,3793,3823,
 4201,4231,4243,4483,5839,6091,6133,6247,6679,6793,
 6961,7477,7507,8233,10303,12487,13219,13411,13681]