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A217047 as a simple table

na(n)
111
223
347
483
5131
6173
7179
8233
9353
10389
11521
12569
13641
14683
15839
16887
17911
18971
19983
201229
211289
221913
232087
242663
252837
262879
273329
283671
293677
303803
313821
324259
334409
344817
354871
364889
375237
385477
395693
406449
416581
426863
437283
447487
457583
467823
477853

[11,23,47,83,131,173,179,233,353,389,521,569,641,
 683,839,887,911,971,983,1229,1289,1913,2087,2663,
 2837,2879,3329,3671,3677,3803,3821,4259,4409,4817,
 4871,4889,5237,5477,5693,6449,6581,6863,7283,7487,
 7583,7823,7853]