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A090473 as a simple table

na(n)
12
22
33
45
55
67
77
87
911
1011
1111
1213
1313
1413
1513
1617
1717
1817
1917
2019
2119
2219
2319
2423
2523
2623
2723
2829
2929
3029
3129
3229
3331
3431
3531
3631
3737
3837
3937
4037
4137
4241
4341
4441
4541
4641
4743
4843
4943
5043
5143
5247
5347
5447
5547
5647
5753
5853
5953
6053
6153
6253
6359
6459
6559
6659
6759
6859
6961
7061
7161
7261

[2,2,3,5,5,7,7,7,11,11,11,13,13,13,13,17,17,17,17,
 19,19,19,19,23,23,23,23,29,29,29,29,29,31,31,31,
 31,37,37,37,37,37,41,41,41,41,41,43,43,43,43,43,
 47,47,47,47,47,53,53,53,53,53,53,59,59,59,59,59,
 59,61,61,61,61]