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A240886 as a simple table

na(n)
123
231
347
459
5695689
6698471
7883517
8992609
9992737
10993037
111314239
121324361
131324571
141326511
151327289
161766291
173174029

[23,31,47,59,695689,698471,883517,992609,992737,
 993037,1314239,1324361,1324571,1326511,1327289,
 1766291,3174029]