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A272612 as a simple table

na(n)
01
11
22
32
42
53
63
74
83
94
105
114
125
135
145
157
165
176
188
195
207
219
226
239
248
258
268
279
2811
2910
309
3110
3210
3310
3410
3511
3611
3712
3815
3910
4012
4116
4210
4316
4412
4513
4615
4712
4815
4918
5013
5114
5215
5317
5414
5517
5615
5717
5819
5917
6015
6120
6220
6316
6419
6519
6619
6721
6819
6919
7020
7120
7220
7320

[1,1,2,2,2,3,3,4,3,4,5,4,5,5,5,7,5,6,8,5,7,9,6,9,
 8,8,8,9,11,10,9,10,10,10,10,11,11,12,15,10,12,16,
 10,16,12,13,15,12,15,18,13,14,15,17,14,17,15,17,
 19,17,15,20,20,16,19,19,19,21,19,19,20,20,20,20]