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A247590 as a simple table

na(n)
17
211
323
4131
5157
6193
7227
8271
9331
10571
11947
12977
131013
141087
151283
161453
171657
181871
192341
202671
212693
223607
233637
243691
254013
264951
275407
285653
296211
306353
316653
326827
336977
346991
357541
367717
378053
388081
398537
409203
419613
429643
4310853
4411113
4511251
4611933

[7,11,23,131,157,193,227,271,331,571,947,977,1013,
 1087,1283,1453,1657,1871,2341,2671,2693,3607,3637,
 3691,4013,4951,5407,5653,6211,6353,6653,6827,6977,
 6991,7541,7717,8053,8081,8537,9203,9613,9643,
 10853,11113,11251,11933]