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A166950 as a simple table

na(n)
01
111
2110
31100
411000
5110000
61100000
711000000
8110000000
91100000000
1011000000000
11110000000000
121100000000000
1310999999999945
14109999999998900
151099999999983555
1610999999999781100
17109999999997266500

[1,11,110,1100,11000,110000,1100000,11000000,
 110000000,1100000000,11000000000,110000000000,
 1100000000000,10999999999945,109999999998900,
 1099999999983555,10999999999781100,
 109999999997266500]