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A117876 as a simple table

na(n)
123
247
373
4233
5353
6647
71097
81283
91433
101453
111493
121613
131709
141889
152099
162161
172383
182621
192693
202713
213049
223533
233559
243923
254007
264133
274643
284793
294937
305443
315743
326101
337213
347309
357351
367561
377621
387829
398179
408237
418719
428849
439109
449343
459467

[23,47,73,233,353,647,1097,1283,1433,1453,1493,
 1613,1709,1889,2099,2161,2383,2621,2693,2713,3049,
 3533,3559,3923,4007,4133,4643,4793,4937,5443,5743,
 6101,7213,7309,7351,7561,7621,7829,8179,8237,8719,
 8849,9109,9343,9467]