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A369859 as a simple table

na(n)
11
21
33
43
53
65
75
85
95
105
115
125
135
147
157
167
177
187
1915
207
217
229
237
2419
257
269
279
289
299
309
319
3211
3319
3419
359
369
3721
3811
3929
4023
4123
4211
4311
4425
4511
4611
4711
4811
4911
5013
5113
5223
5323
5441
5511
5625
5725
5813
5915
6027
6127
6227
6313
6413
6529
6629
6713
6813
6913
7031
7113
7215
7315
7415
7517
7627
7713
7843
7929
8029
8129
8245
8317
8417
8531
8631
8731
8839

[1,1,3,3,3,5,5,5,5,5,5,5,5,7,7,7,7,7,15,7,7,9,7,
 19,7,9,9,9,9,9,9,11,19,19,9,9,21,11,29,23,23,11,
 11,25,11,11,11,11,11,13,13,23,23,41,11,25,25,13,
 15,27,27,27,13,13,29,29,13,13,13,31,13,15,15,15,
 17,27,13,43,29,29,29,45,17,17,31,31,31,39]