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A046163 as a simple table

na(n)
11
27
313
47
531
643
719
873
991
1037
11133
12157
1361
14211
15241
1691
17307
18343
19127
20421
21463
22169
23553
24601
25217
26703
27757
28271
29871
30931
31331
321057
331123
34397
351261
361333
37469
381483
391561
40547
411723
421807
43631
441981
452071
46721
472257
482353
49817
502551
512653

[1,7,13,7,31,43,19,73,91,37,133,157,61,211,241,91,
 307,343,127,421,463,169,553,601,217,703,757,271,
 871,931,331,1057,1123,397,1261,1333,469,1483,1561,
 547,1723,1807,631,1981,2071,721,2257,2353,817,
 2551,2653]