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A229607 as a simple table

na(n)
12
23
311
45
519
617
77
837
931
1029
1113
1273
1361
1453
1541
1623
17139
18113
19103
2079
2147
2243
23277
24223
25199
26157
2789
2859
2983
30547
31443
32397
33313
34173
35113
3667
37163
381093
39883
40787
41619
42337
43223
44131
4571
46317
472179
481759
491571
501237
51673
52443
53257
54139
5597
56631

[2,3,11,5,19,17,7,37,31,29,13,73,61,53,41,23,139,
 113,103,79,47,43,277,223,199,157,89,59,83,547,443,
 397,313,173,113,67,163,1093,883,787,619,337,223,
 131,71,317,2179,1759,1571,1237,673,443,257,139,97,
 631]