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A018141 as a simple table

na(n)
01
11
22
33
46
510
615
725
839
963
10100
11158
12251
13398
14630
151000
161584
172511
183981
196309
2010000
2115848
2225118
2339810
2463095
25100000
26158489
27251188
28398107
29630957
301000000
311584893
322511886
333981071
346309573

[1,1,2,3,6,10,15,25,39,63,100,158,251,398,630,
 1000,1584,2511,3981,6309,10000,15848,25118,39810,
 63095,100000,158489,251188,398107,630957,1000000,
 1584893,2511886,3981071,6309573]