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A037037 as a simple table

na(n)
12
23
33
43
54
64
75
85
95
106
117
126
137
147
158
169
179
189
199
209
2110
2210
2311
2411
2512
2612
2713
2814
2914
3014
3114
3213
3314
3415
3516
3617
3718
3818
3918
4018
4118
4217
4318
4418
4518
4619
4720
4819
4919
5020
5121
5221
5322
5421
5522
5623
5723
5824
5924
6024
6125
6224
6324
6425
6526
6627
6728
6827
6927
7027
7128
7227
7327
7426
7527
7628

[2,3,3,3,4,4,5,5,5,6,7,6,7,7,8,9,9,9,9,9,10,10,11,
 11,12,12,13,14,14,14,14,13,14,15,16,17,18,18,18,
 18,18,17,18,18,18,19,20,19,19,20,21,21,22,21,22,
 23,23,24,24,24,25,24,24,25,26,27,28,27,27,27,28,
 27,27,26,27,28]