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A126608 as a simple table

na(n)
13
23
33
47
53
63
73
83
93
105
113
1261
133
147
157
163
175
185
197
205
213
223
233
243
257
263
277
285
2913
303
317
3213
333
343
355
365
373
383
393
4043
415
4219
435
443
453
4629
475
483
4911
503
513
5217
537
543
5519
563
5741
5811
5931
6017
613
6241
637
643
653
665
673
6813
693
703
7119
723
735
7423
753
7613
773
7819
793
803
8117
827
833
843
8519
8613
873
887
8917
907
913
925
9337
943

[3,3,3,7,3,3,3,3,3,5,3,61,3,7,7,3,5,5,7,5,3,3,3,3,
 7,3,7,5,13,3,7,13,3,3,5,5,3,3,3,43,5,19,5,3,3,29,
 5,3,11,3,3,17,7,3,19,3,41,11,31,17,3,41,7,3,3,5,3,
 13,3,3,19,3,5,23,3,13,3,19,3,3,17,7,3,3,19,13,3,7,
 17,7,3,5,37,3]