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A341643 as a simple table

na(n)
12
23
35
43
57
65
711
813
97
105
1117
1219
135
147
1511
1623
1713
187
1929
2031
2111
2217
237
2437
2519
2613
2741
287
2943
3011
3123
3247
3317
3413
3553
3611
3719
3829
3959
4061
4131
4213
4311
4467
4517
4623
4771
4873
4937
5019
5111
5213
5379
5441
5583
5617
5743
5829
5911
6089
6113
6223
6331
6447
6519
6697
6711
68101

[2,3,5,3,7,5,11,13,7,5,17,19,5,7,11,23,13,7,29,31,
 11,17,7,37,19,13,41,7,43,11,23,47,17,13,53,11,19,
 29,59,61,31,13,11,67,17,23,71,73,37,19,11,13,79,
 41,83,17,43,29,11,89,13,23,31,47,19,97,11,101]