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A067227 as a simple table

na(n)
113
223
343
453
573
683
7139
8157
9163
10239
11257
12263
13439
14457
15463
16557
17563
18739
19757
20839
21857
22863
231297
241423
251447
261663
271861
281999
292111
302243
312273
322297
332423
342447
352663
362861
372969
382999
394111
404243
414273
424297
434423
444447
454663
464861
474969

[13,23,43,53,73,83,139,157,163,239,257,263,439,
 457,463,557,563,739,757,839,857,863,1297,1423,
 1447,1663,1861,1999,2111,2243,2273,2297,2423,2447,
 2663,2861,2969,2999,4111,4243,4273,4297,4423,4447,
 4663,4861,4969]