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A111138 as a simple table

na(n)
10
20
31
41
52
64
74
85
97
1010
1110
1211
1313
1416
1520
1620
1721
1823
1926
2030
2135
2235
2336
2438
2541
2645
2750
2856
2956
3057
3159
3262
3366
3471
3577
3684
3784
3885
3987
4090
4194
4299
43105
44112
45120
46120
47121
48123
49126
50130
51135
52141
53148
54156
55165
56165
57166
58168
59171
60175
61180
62186
63193
64201

[0,0,1,1,2,4,4,5,7,10,10,11,13,16,20,20,21,23,26,
 30,35,35,36,38,41,45,50,56,56,57,59,62,66,71,77,
 84,84,85,87,90,94,99,105,112,120,120,121,123,126,
 130,135,141,148,156,165,165,166,168,171,175,180,
 186,193,201]