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A089336 as a simple table

na(n)
12
23
33
43
53
677
71
8191
91
103
1133
12191
139
143
15393
1699
173
18333
19747
201221
21727
221881
231331
249009
257447
26101
27909
28373
29909
303773
3133
32151
33191
341
353003
367667
373553
3816661
3915651
4038283
417
42767
4338383
4432123
45333
463
47373
4814741
49919
5013331
5134743
5211011
531331

[2,3,3,3,3,77,1,191,1,3,33,191,9,3,393,99,3,333,
 747,1221,727,1881,1331,9009,7447,101,909,373,909,
 3773,33,151,191,1,3003,7667,3553,16661,15651,
 38283,7,767,38383,32123,333,3,373,14741,919,13331,
 34743,11011,1331]