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A075324 as a simple table

na(n)
11
21
31
43
53
64
74
85
95
105
115
127
137
148
159
169
179
1810
1911
2011
2111
2212
2313
2413
2513
2614
2715
2815
2916
3016
3117

[1,1,1,3,3,4,4,5,5,5,5,7,7,8,9,9,9,10,11,11,11,12,
 13,13,13,14,15,15,16,16,17]