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A254934 as a simple table

na(n)
11
23
35
43
51
67
75
87
93
101
119
1213
135
141
1515
167
1713
1817
191
2011
2119
223
231
2417
2511
2621
279
287
2911
3017
3121
325
331
3423
3511
3627
379
387
395
403
4119
4211
4323
4427
457
4631
471
4813
4925
5019

[1,3,5,3,1,7,5,7,3,1,9,13,5,1,15,7,13,17,1,11,19,
 3,1,17,11,21,9,7,11,17,21,5,1,23,11,27,9,7,5,3,19,
 11,23,27,7,31,1,13,25,19]