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A200311 as a simple table

na(n)
12
23
34
45
55
66
76
86
97
107
117
127
138
148
158
168
178
188
199
209
219
229
239
249
259
269
2710
2810
2910
3010
3110
3210
3310
3410
3510
3610
3710
3811
3911
4011
4111
4211
4311
4411
4511
4611
4711
4811
4911
5011
5111
5211
5311
5412
5512
5612
5712
5812
5912
6012
6112
6212
6312
6412
6512
6612
6712
6812
6912
7012
7112
7212
7312
7412
7512
7612
7713
7813
7913
8013
8113
8213
8313

[2,3,4,5,5,6,6,6,7,7,7,7,8,8,8,8,8,8,9,9,9,9,9,9,
 9,9,10,10,10,10,10,10,10,10,10,10,10,11,11,11,11,
 11,11,11,11,11,11,11,11,11,11,11,11,12,12,12,12,
 12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,
 12,12,12,13,13,13,13,13,13,13]