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A119447 as a simple table

na(n)
12
22
33
43
53
63
73
83
93
107
117
127
137
147
157
167
177
187
197
207
217
227
237
247
2513
2613
277
287
297
307
3113
3213
3313
3413
3513
3613
3713
3813
3913
4013
4113
4213
4313
4413
4513
4613
4713
4813
4913
5013
5113
5213
5313
5413
5513
5613
5713
5813
5913
6013
6113
6213
6313
6413
6513
6613
6719
6819
6919
7019
7119
7219
7319
7419
7519
7619
7719
7819
7919

[2,2,3,3,3,3,3,3,3,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
 13,13,7,7,7,7,13,13,13,13,13,13,13,13,13,13,13,13,
 13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,
 13,13,13,13,13,13,13,13,19,19,19,19,19,19,19,19,
 19,19,19,19,19]