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A090261 as a simple table

na(n)
11
23
31
49
51
617
71
821
911
1013
1117
127
133
1411
1519
169
177
18111
1917
2013
2123
221
2327
2417
2537
263
2713
2833
2923
307
31129
3211
3327
3443
353
3617
3739
3817
39103
403
4119
4217
43121
44117
451
4629
471
4839
4923
509
5113
5251
531
5441
553
5637
5721
5813
5953
601
6147
621
6351
647
65131
667
67137
6819
6923
7013
7171
727
73149
741
7559
763

[1,3,1,9,1,17,1,21,11,13,17,7,3,11,19,9,7,111,17,
 13,23,1,27,17,37,3,13,33,23,7,129,11,27,43,3,17,
 39,17,103,3,19,17,121,117,1,29,1,39,23,9,13,51,1,
 41,3,37,21,13,53,1,47,1,51,7,131,7,137,19,23,13,
 71,7,149,1,59,3]