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A218123 as a simple table

na(n)
11
22
32
42
52
63
73
83
95
105
115
127
137
147
157
167
177
1811
1911
2011
2111
2213
2313
2413
2513
2613
2713
2817
2917
3017
3117
3217
3317
3419
3519
3619
3719
3819
3919
4019
4123
4223
4323
4423
4523
4623
4723
4823
4929
5029
5129
5229
5331
5431
5531
5631
5731
5831
5931
6031
6131
6237
6337
6437
6537
6637
6737
6841
6941
7041
7141
7243
7343
7443
7543
7643
7743
7843
7947
8047

[1,2,2,2,2,3,3,3,5,5,5,7,7,7,7,7,7,11,11,11,11,13,
 13,13,13,13,13,17,17,17,17,17,17,19,19,19,19,19,
 19,19,23,23,23,23,23,23,23,23,29,29,29,29,31,31,
 31,31,31,31,31,31,31,37,37,37,37,37,37,41,41,41,
 41,43,43,43,43,43,43,43,47,47]