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A131411 as a simple table

na(n)
11
21
31
42
52
63
73
83
94
105
115
125
136
147
159
168
178
189
1910
2012
2115
2213
2313
2414
2515
2617
2720
2825
2921
3021
3122
3223
3325
3428
3533
3641
3734
3834
3935
4036
4138
4241
4346
4454
4567
4655
4755
4856
4957
5059
5162
5267
5375
5488
55109
5689
5789
5890
5991
6093
6196
62101
63109
64122
65143
66177
67144
68144
69145
70146
71148
72151
73156
74164
75177
76198
77232
78287

[1,1,1,2,2,3,3,3,4,5,5,5,6,7,9,8,8,9,10,12,15,13,
 13,14,15,17,20,25,21,21,22,23,25,28,33,41,34,34,
 35,36,38,41,46,54,67,55,55,56,57,59,62,67,75,88,
 109,89,89,90,91,93,96,101,109,122,143,177,144,144,
 145,146,148,151,156,164,177,198,232,287]