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A307410 as a simple table

na(n)
11
21
31
41
53
61
75
81
91
103
119
121
1311
145
153
161
1715
181
1917
203
215
229
2321
241
253
2611
271
285
2927
303
3129
321
339
3415
355
361
3735
3817
3911
403
4139
425
4341
449
453
4621
4745
481
495
503
5115
5211
5351
541
5527
565
5717
5827
5957
603
6159
6229
635
641
6511
669
6765
6815
6921
705
7169
721
7371
7435
753
7617
773
7811
7977
803
811
8239
8381
845
8545

[1,1,1,1,3,1,5,1,1,3,9,1,11,5,3,1,15,1,17,3,5,9,
 21,1,3,11,1,5,27,3,29,1,9,15,5,1,35,17,11,3,39,5,
 41,9,3,21,45,1,5,3,15,11,51,1,27,5,17,27,57,3,59,
 29,5,1,11,9,65,15,21,5,69,1,71,35,3,17,3,11,77,3,
 1,39,81,5,45]