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A025796 as a simple table

na(n)
01
10
21
31
41
51
63
71
83
93
103
113
126
133
146
156
166
176
1810
196
2010
2110
2210
2310
2415
2510
2615
2715
2815
2915
3021
3115
3221
3321
3421
3521
3628
3721
3828
3928
4028
4128
4236
4328
4436
4536
4636
4736
4845
4936
5045
5145
5245
5345
5455
5545
5655
5755
5855
5955
6066

[1,0,1,1,1,1,3,1,3,3,3,3,6,3,6,6,6,6,10,6,10,10,
 10,10,15,10,15,15,15,15,21,15,21,21,21,21,28,21,
 28,28,28,28,36,28,36,36,36,36,45,36,45,45,45,45,
 55,45,55,55,55,55,66]