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A117047 as a simple table

na(n)
111
271
3131
4191
5251
6311
7431
8491
9911
10971
111031
121091
131151
141451
151511
161571
171811
181871
191931
202111
212351
222411
232531
242591
252711
263011
273191
283251
293371
303491
313671
323851
333911
344091
354211
364271
374391
384451
394691
404751
414871
424931
435051
445171

[11,71,131,191,251,311,431,491,911,971,1031,1091,
 1151,1451,1511,1571,1811,1871,1931,2111,2351,2411,
 2531,2591,2711,3011,3191,3251,3371,3491,3671,3851,
 3911,4091,4211,4271,4391,4451,4691,4751,4871,4931,
 5051,5171]