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A063905 as a simple table

na(n)
12
22
33
43
53
65
75
85
95
105
117
127
137
147
157
167
177
1811
1911
2011
2111
2211
2311
2411
2511
2611
2711
2811
2913
3013
3113
3213
3313
3413
3513
3613
3713
3813
3913
4013
4113
4217
4317
4417
4517
4617
4717
4817
4917
5017
5117
5217
5317
5417
5517
5617
5717
5817
5919
6019
6119
6219
6319
6419
6519
6619
6719
6819
6919
7019
7119
7219
7319
7419
7519

[2,2,3,3,3,5,5,5,5,5,7,7,7,7,7,7,7,11,11,11,11,11,
 11,11,11,11,11,11,13,13,13,13,13,13,13,13,13,13,
 13,13,13,17,17,17,17,17,17,17,17,17,17,17,17,17,
 17,17,17,17,19,19,19,19,19,19,19,19,19,19,19,19,
 19,19,19,19,19]