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A174257 as a simple table

na(n)
10
20
30
41
52
61
73
83
93
104
115
124
136
146
156
167
178
187
199
209
219
2210
2311
2410
2512
2612
2712
2813
2914
3013
3115
3215
3315
3416
3517
3616
3718
3818
3918
4019
4120
4219
4321
4421
4521
4622
4723
4822
4924
5024
5124
5225
5326
5425
5527
5627
5727
5828
5929
6028
6130
6230
6330
6431
6532
6631
6733
6833
6933
7034
7135
7234
7336
7436
7536
7637

[0,0,0,1,2,1,3,3,3,4,5,4,6,6,6,7,8,7,9,9,9,10,11,
 10,12,12,12,13,14,13,15,15,15,16,17,16,18,18,18,
 19,20,19,21,21,21,22,23,22,24,24,24,25,26,25,27,
 27,27,28,29,28,30,30,30,31,32,31,33,33,33,34,35,
 34,36,36,36,37]