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A295510 as a simple table

na(n)
12
22
33
43
57
65
77
82
917
107
1111
125
1311
1413
155
163
17241
1817
1929
207
2117
2231
2343
2413
2543
2611
2717
2813
2929
30193
3111
322
3313
3411
3537
3673
3767
3829
3941
407
4123
4297
4379
4431
4573
4629
4719
485
4937
5043
5173
5231
53157
5417
5523
5613
5741
5843
59199
6017
6119
6211
637

[2,2,3,3,7,5,7,2,17,7,11,5,11,13,5,3,241,17,29,7,
 17,31,43,13,43,11,17,13,29,193,11,2,13,11,37,73,
 67,29,41,7,23,97,79,31,73,29,19,5,37,43,73,31,157,
 17,23,13,41,43,199,17,19,11,7]