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A348992 as a simple table

na(n)
11
21
31
47
53
61
71
85
913
103
113
127
137
141
153
1631
179
1813
195
201
211
223
233
241
2531
267
271
287
2915
303
311
327
333
349
353
3691
3719
385
397
405
4121
421
4311
447
4539
463
473
4831
4957
5031
519
5249
5327
541
559
565
571
5815
5915
601
6131
621
6313
64127
653
663
6717
687
693
703
719
7213
7337
7419
7531
7635
773
787
795
8031
81121
8221
8321
847
8527
8611
873
885
8945
9039
917
927
931
943

[1,1,1,7,3,1,1,5,13,3,3,7,7,1,3,31,9,13,5,1,1,3,3,
 1,31,7,1,7,15,3,1,7,3,9,3,91,19,5,7,5,21,1,11,7,
 39,3,3,31,57,31,9,49,27,1,9,5,1,15,15,1,31,1,13,
 127,3,3,17,7,3,3,9,13,37,19,31,35,3,7,5,31,121,21,
 21,7,27,11,3,5,45,39,7,7,1,3]