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A079068 as a simple table

na(n)
11
21
32
41
53
61
75
81
92
103
117
121
1311
145
152
161
1713
181
1917
203
215
227
2319
241
253
2611
272
285
2923
301
3129
321
337
3413
353
361
3731
3817
3911
403
4137
425
4341
447
452
4619
4743
481
495
503
5113
5211
5347
541
557
565
5717
5823
5953
601
6159
6229
635
641
6511
667
6761
6813
6919
703
7167
721
7371
7431
752
7617
775
7811
7973
803
812
8237
8379
845
8513
8641
8723

[1,1,2,1,3,1,5,1,2,3,7,1,11,5,2,1,13,1,17,3,5,7,
 19,1,3,11,2,5,23,1,29,1,7,13,3,1,31,17,11,3,37,5,
 41,7,2,19,43,1,5,3,13,11,47,1,7,5,17,23,53,1,59,
 29,5,1,11,7,61,13,19,3,67,1,71,31,2,17,5,11,73,3,
 2,37,79,5,13,41,23]