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A229908 as a simple table

na(n)
12
213
313
437
5113
6113
7137
81237
91373
101733
111733
1211317
1311731
1412713
1519973
1691733
17113173
18113371
19113371
20173347
21991733
221123379
231134673
241137991
251237199
262333719
277433719
2811133719
2911399173
3011399173
3111791733
3237914713
3397433719
34113217397
35113217397
36113337199
37113337199
38113337199
391113371999
401113371999
411113991733
421139917321
431139917321
441139917333

[2,13,13,37,113,113,137,1237,1373,1733,1733,11317,
 11731,12713,19973,91733,113173,113371,113371,
 173347,991733,1123379,1134673,1137991,1237199,
 2333719,7433719,11133719,11399173,11399173,
 11791733,37914713,97433719,113217397,113217397,
 113337199,113337199,113337199,1113371999,
 1113371999,1113991733,1139917321,1139917321,
 1139917333]