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A139847 as a simple table

na(n)
119
231
3139
4199
5271
6439
7619
8691
9811
10859
111039
121231
131279
141291
151399
161459
171531
181699
191879
201951
212131
222239
232371
242539
252551
262659
272719
282791
292971
303079
313331
323391
333499
343559
353631
363919
374051
384219
394231
404339
414591
424639

[19,31,139,199,271,439,619,691,811,859,1039,1231,
 1279,1291,1399,1459,1531,1699,1879,1951,2131,2239,
 2371,2539,2551,2659,2719,2791,2971,3079,3331,3391,
 3499,3559,3631,3919,4051,4219,4231,4339,4591,4639]