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A339667 as a simple table

na(n)
10
21
31
43
51
65
71
87
93
105
111
1219
131
145
155
1615
171
1819
191
2019
215
225
231
2471
253
265
277
2819
291
3037
311
3231
335
345
355
36111
371
385
395
4071
411
4237
431
4419
4519
465
471
48271
493
5019
515
5219
531
5471
555
5671
575
585
591
60347
611
625
6319
6463
655
6637
671
6819
695
7037
711
72703
731
745
7519
7619
775
7837
791
80271

[0,1,1,3,1,5,1,7,3,5,1,19,1,5,5,15,1,19,1,19,5,5,
 1,71,3,5,7,19,1,37,1,31,5,5,5,111,1,5,5,71,1,37,1,
 19,19,5,1,271,3,19,5,19,1,71,5,71,5,5,1,347,1,5,
 19,63,5,37,1,19,5,37,1,703,1,5,19,19,5,37,1,271]