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A068723 as a simple table

na(n)
01
12053
2160403
33096791
428905785
5173429597
6773568107
72789847759
88576204625
923279942261
1057201104003
11129540052071
12274074872265
13547436323149
141040787422427
151895867410719
163326525754145
175647051042021
189308792104563
1914946774417783
2023438233878745
2135975222324029
2254153684727627
2380081666851567
24116509584233329

[1,2053,160403,3096791,28905785,173429597,
 773568107,2789847759,8576204625,23279942261,
 57201104003,129540052071,274074872265,
 547436323149,1040787422427,1895867410719,
 3326525754145,5647051042021,9308792104563,
 14946774417783,23438233878745,35975222324029,
 54153684727627,80081666851567,116509584233329]