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A156900 as a simple table

na(n)
11
22
33
45
57
67
711
811
913
1016
1116
1217
1319
1423
1523
1623
1727
1829
1931
2031
2137
2237
2337
2437
2541
2641
2741
2843
2943
3047
3147
3253
3353
3459
3559
3659
3759
3861
3964
4067
4167
4267
4371
4471
4571
4673
4779
4879
4979
5079
5183
5283
5389
5489
5589
5689
5797
5897
5997
6097
6197
62101
63103
64103
65107
66107
67107
68109
69113

[1,2,3,5,7,7,11,11,13,16,16,17,19,23,23,23,27,29,
 31,31,37,37,37,37,41,41,41,43,43,47,47,53,53,59,
 59,59,59,61,64,67,67,67,71,71,71,73,79,79,79,79,
 83,83,89,89,89,89,97,97,97,97,97,101,103,103,107,
 107,107,109,113]