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A319434 as a simple table

na(n)
12
23
34
44
55
65
76
86
96
107
117
127
138
148
158
169
179
189
199
2010
2110
2210
2310
2411
2511
2611
2711
2812
2912
3012
3112
3212
3313
3413
3513
3613
3713
3814
3914
4014
4114
4214
4315
4415
4515
4615
4715
4816
4916
5016
5116
5216
5316
5417
5517
5617
5717
5817
5917
6018
6118
6218
6318
6418
6518
6619
6719
6819
6919
7019

[2,3,4,4,5,5,6,6,6,7,7,7,8,8,8,9,9,9,9,10,10,10,
 10,11,11,11,11,12,12,12,12,12,13,13,13,13,13,14,
 14,14,14,14,15,15,15,15,15,16,16,16,16,16,16,17,
 17,17,17,17,17,18,18,18,18,18,18,19,19,19,19,19]