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A242366 as a simple table

na(n)
12
23
311
459
5131
6179
7347
81259
91571
101979
112027
122411
132699
142819
153251
163347
174211
185051
195099
205171
215531
226779
237187
248747
2510091
2612227
2713259
2813451
2913499
3013931
3114411
3214771
3315131
3415467
3516451
3616691
3717987
3818131
3918539
4018731
4118899
4219211

[2,3,11,59,131,179,347,1259,1571,1979,2027,2411,
 2699,2819,3251,3347,4211,5051,5099,5171,5531,6779,
 7187,8747,10091,12227,13259,13451,13499,13931,
 14411,14771,15131,15467,16451,16691,17987,18131,
 18539,18731,18899,19211]