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A184997 as a simple table

na(n)
11
21
31
41
53
61
75
82
93
103
119
121
1311
145
153
164
1715
183
1917
203
215
229
2321
242
2515
2611
279
285
2927
303
3129
328
339
3415
3515
363
3735
3817
3911
406
4139
425
4341
449
459
4621
4745
484
4935
5015
5115
5211
5351
549
5527
5610
5717
5827
5957
603
6159
6229
6315
6416
6533
669
6765
6815
6921
7015
7169
726
7371
7435
7515
7617
7745
7811
7977
8012

[1,1,1,1,3,1,5,2,3,3,9,1,11,5,3,4,15,3,17,3,5,9,
 21,2,15,11,9,5,27,3,29,8,9,15,15,3,35,17,11,6,39,
 5,41,9,9,21,45,4,35,15,15,11,51,9,27,10,17,27,57,
 3,59,29,15,16,33,9,65,15,21,15,69,6,71,35,15,17,
 45,11,77,12]