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A023571 as a simple table

na(n)
11
21
31
41
51
65
77
81
95
1013
117
1217
1319
145
1511
165
177
1829
191
2017
215
2219
235
2443
2547
267
275
2813
2953
305
3131
321
3367
3417
3573
3637
377
385
3941
405
4111
4289
4347
445
4597
467
4713
485
497
50113
515
5259
537
5431
55127
565
577
5867
59137
60139
615
625
6319
647
655
66157
6741
68167
6943
70173
715
7289
737
745
7547
765

[1,1,1,1,1,5,7,1,5,13,7,17,19,5,11,5,7,29,1,17,5,
 19,5,43,47,7,5,13,53,5,31,1,67,17,73,37,7,5,41,5,
 11,89,47,5,97,7,13,5,7,113,5,59,7,31,127,5,7,67,
 137,139,5,5,19,7,5,157,41,167,43,173,5,89,7,5,47,
 5]