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A086388 as a simple table

na(n)
11
21
32
42
53
63
74
84
95
105
116
126
137
147
158
168
179
189
1910
2010
2111
2211
2312
2412
2513
2613
2714
2814
2915

[1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,
 12,12,13,13,14,14,15]