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A297935 as a simple table

na(n)
02
12
23
32
419
553
6163
753
8167
931
103
1137
12743
1397
14271
1517
163
1741
18131
19691
2097
21181
22587
23523
24227
25211
26229
273
281697
29151
301009
3123
32131
33151
343137
351621
3671
37439
38389
39521
40811
411039
42179
4323
44311
45193
46227
475869
48577
496263
5031
511901
52113
531439
541451
55107

[2,2,3,2,19,53,163,53,167,31,3,37,743,97,271,17,3,
 41,131,691,97,181,587,523,227,211,229,3,1697,151,
 1009,23,131,151,3137,1621,71,439,389,521,811,1039,
 179,23,311,193,227,5869,577,6263,31,1901,113,1439,
 1451,107]