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A236551 as a simple table

na(n)
12
213
3311
4313
5419
6641
7643
8647
9653
10761
11983
12997
139103
1411131
1511149
1612157
1712163
1814197
1915227
2015233
2118307
2218311
2318313
2420353
2520359
2621379
2721383
2821397
2922409
3023431
3124499
3225523
3325541
3426557
3529599
3630631
3730643
3830661
3930677
4031727
4133773

[2,13,311,313,419,641,643,647,653,761,983,997,
 9103,11131,11149,12157,12163,14197,15227,15233,
 18307,18311,18313,20353,20359,21379,21383,21397,
 22409,23431,24499,25523,25541,26557,29599,30631,
 30643,30661,30677,31727,33773]