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A098147 as a simple table

na(n)
15
211
33
41
51
61
71
81
913
103
117
127
1315
1413
153
163
1715
187
191
2019
213
2219
2313
2429
257
267
273
2827
2913
303
311
329
339
349
3527
367
373
387
3949
4055
4181
423
433
449
457
4611
4769
487
4919
5013
5139
527
531
543
5513
5613
5739
5877
5927
6063
6131
6251
6319
649
6527
663
671
6839
6919
7041
7121
7267
7337
7463
7569
7633
773
789
7937
8067
81121
829
8321

[5,11,3,1,1,1,1,1,13,3,7,7,15,13,3,3,15,7,1,19,3,
 19,13,29,7,7,3,27,13,3,1,9,9,9,27,7,3,7,49,55,81,
 3,3,9,7,11,69,7,19,13,39,7,1,3,13,13,39,77,27,63,
 31,51,19,9,27,3,1,39,19,41,21,67,37,63,69,33,3,9,
 37,67,121,9,21]