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A163845 as a simple table

na(n)
01
113
2109
3765
44881
529369
6169919
7956237
85272945
928632525
10153638211
11816715073
124309138419
1322598433555
14117926579385
15612863125965
163174156512865

[1,13,109,765,4881,29369,169919,956237,5272945,
 28632525,153638211,816715073,4309138419,
 22598433555,117926579385,612863125965,
 3174156512865]