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A051613 as a simple table

na(n)
01
10
21
31
41
52
60
73
82
93
102
114
123
134
144
154
168
174
188
196
209
218
2210
2310
2413
2512
2613
2716
2816
2919
3017
3121
3223
3323
3425
3529
3631
3731
3831
3937
4040
4142
4244
4348
4449
4554
4655
4764
4867
4968
5070
5177
5284
5390
5492
5599
56102
57108
58115
59127
60133
61135
62138
63150
64165
65171
66183
67186
68198
69201
70220

[1,0,1,1,1,2,0,3,2,3,2,4,3,4,4,4,8,4,8,6,9,8,10,
 10,13,12,13,16,16,19,17,21,23,23,25,29,31,31,31,
 37,40,42,44,48,49,54,55,64,67,68,70,77,84,90,92,
 99,102,108,115,127,133,135,138,150,165,171,183,
 186,198,201,220]