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A233451 as a simple table

na(n)
10
21
310
418
5100
6178
71000
810000
917783
1031623
11100000
12177828
13316228
141000000
1510000000
16100000000
171000000000
185623413252
1910000000000
20100000000000
21177827941004
22316227766017
231000000000000
241778279410039
2510000000000000
2631622776601684

[0,1,10,18,100,178,1000,10000,17783,31623,100000,
 177828,316228,1000000,10000000,100000000,
 1000000000,5623413252,10000000000,100000000000,
 177827941004,316227766017,1000000000000,
 1778279410039,10000000000000,31622776601684]