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A137278 as a simple table

na(n)
01
11
21
31
41
52
61
72
81
91
103
113
123
133
143
151
161
174
186
196
207
216
226
234
241
251
265
2710
2812
2914
3015
3114
3212
3310
345
351
361
376
3815
3922
4027
4132
4233
4332
4427
4522
4615
476
481
491
507
5121
5237
5350
5463
5572
5675
5772
5863
5950
6037
6121
627
631
641
658
6628
6758
6888
69118
70146
71164
72171
73164
74146
75118
7688
7758
7828
798
801

[1,1,1,1,1,2,1,2,1,1,3,3,3,3,3,1,1,4,6,6,7,6,6,4,
 1,1,5,10,12,14,15,14,12,10,5,1,1,6,15,22,27,32,33,
 32,27,22,15,6,1,1,7,21,37,50,63,72,75,72,63,50,37,
 21,7,1,1,8,28,58,88,118,146,164,171,164,146,118,
 88,58,28,8,1]