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A123487 as a simple table

na(n)
12
22
32
42
55
62
72
82
9113
10151
112
1261
1353
1489
155
16307
1719
182
19491
203
2111
22271
2341
242
25271
26359
273
282
2979
30233
312
327
3313
3411
355
3629
3771
38139
39127
40139
412003
425
43743
44673
45593
46383
47653
48661
49251
506389
512833
52223
53163
5437
55709
56131
5741
582203
59941
602707
6113
621283
63383

[2,2,2,2,5,2,2,2,113,151,2,61,53,89,5,307,19,2,
 491,3,11,271,41,2,271,359,3,2,79,233,2,7,13,11,5,
 29,71,139,127,139,2003,5,743,673,593,383,653,661,
 251,6389,2833,223,163,37,709,131,41,2203,941,2707,
 13,1283,383]