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A240549 as a simple table

na(n)
12
213
373
4241
5601
697
7181
8109
96481
109901
111117
1220593
1328393
141033
153877
16673
1783233
18457
19769
2012277
213181
221489
237549
24577
25390001
262521
27530713
2847221
29421
30809101
31922561
321321
3391141
341249
355413
361678321
37144061
382083693
392311921
4041941
411993
424621

[2,13,73,241,601,97,181,109,6481,9901,1117,20593,
 28393,1033,3877,673,83233,457,769,12277,3181,1489,
 7549,577,390001,2521,530713,47221,421,809101,
 922561,1321,91141,1249,5413,1678321,144061,
 2083693,2311921,41941,1993,4621]