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A039639 as a simple table

na(n)
13
22
33
42
53
67
72
85
93
107
112
1219
135
1411
153
1613
177
1831
1917
202
2137
225
235
2411
253
263
2713
2813
2913
307
312
322
3317
3417
3537
3619
3779
3841
395
4043
4111
4211
433
4497
453
463
4753
487
497
507
5129
527
537
5431
552
562
5767
5817
59139
6017
6171
6273
6319
6419
65157
6679
6783
685
6943
7043
7111
7211
7323
7423
7547
763
7797
78199
793

[3,2,3,2,3,7,2,5,3,7,2,19,5,11,3,13,7,31,17,2,37,
 5,5,11,3,3,13,13,13,7,2,2,17,17,37,19,79,41,5,43,
 11,11,3,97,3,3,53,7,7,7,29,7,7,31,2,2,67,17,139,
 17,71,73,19,19,157,79,83,5,43,43,11,11,23,23,47,3,
 97,199,3]