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A111656 as a simple table

na(n)
12
22
32
42
53
63
73
83
93
103
115
125
135
145
155
165
175
185
197
207
217
227
237
247
257
267
277
2811
2911
3011
3111
3211
3311
3411
3511
3611
3711
3813
3913
4013
4113
4213
4313
4413
4513
4613
4713
4813
4913
5017
5117
5217
5317
5417
5517
5617
5717
5817
5917
6017
6117
6217
6317
6419
6519
6619
6719
6819
6919
7019
7119
7219
7319
7419
7519
7619
7719
7819

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