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A156208 as a simple table

na(n)
12
23
35
47
53
65
77
811
913
1017
1119
122
133
145
157
1611
1713
1817
1919
205
217
2211
2313
2417
2519
2623
277
2811
2913
3017
3119
3223
3311
3413
3517
3619
3723
387
3913
4019
413
425
4311
4417
4523
4629
477
4813
4919
5031
5111
5217
5323
5429
5513
5619
5731
5837
5917
6023
6129
6241
6319
6431
6537
6643
672
685
6911
7017
7123
7229
737
7413
7519
7631
7711

[2,3,5,7,3,5,7,11,13,17,19,2,3,5,7,11,13,17,19,5,
 7,11,13,17,19,23,7,11,13,17,19,23,11,13,17,19,23,
 7,13,19,3,5,11,17,23,29,7,13,19,31,11,17,23,29,13,
 19,31,37,17,23,29,41,19,31,37,43,2,5,11,17,23,29,
 7,13,19,31,11]