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A140007 as a simple table

na(n)
171
2191
3311
4599
5719
6839
7911
81439
91511
101871
112039
122399
132711
143191
153359
163719
174079
184271
194679
204799
214871
225039
235351
245399
255471
265591
275879
286359
296719
306791
316911
327151
338039
348111
358231
368831
378999
389311
399431
409551
419791

[71,191,311,599,719,839,911,1439,1511,1871,2039,
 2399,2711,3191,3359,3719,4079,4271,4679,4799,4871,
 5039,5351,5399,5471,5591,5879,6359,6719,6791,6911,
 7151,8039,8111,8231,8831,8999,9311,9431,9551,9791]