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A026256 as a simple table

na(n)
11
21
31
41
52
63
72
83
93
104
113
124
135
144
156
164
176
185
197
208
216
228
236
249
2510
267
2710
288
2911
308
3111
3212
339
3413
3510
3613
3710
3814
3915
4011
4115
4211
4316
4412
4516
4617
4713
4818
4913
5018
5119
5214
5320
5415
5520
5615
5721
5822
5916
6022
6116
6223
6317
6423
6524
6618
6725
6818
6925
7019

[1,1,1,1,2,3,2,3,3,4,3,4,5,4,6,4,6,5,7,8,6,8,6,9,
 10,7,10,8,11,8,11,12,9,13,10,13,10,14,15,11,15,11,
 16,12,16,17,13,18,13,18,19,14,20,15,20,15,21,22,
 16,22,16,23,17,23,24,18,25,18,25,19]