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A199312 as a simple table

na(n)
05
123
2113
3563
42813
514063
670313
7351563
81757813
98789063
1043945313
11219726563
121098632813
135493164063
1427465820313
15137329101563
16686645507813
173433227539063
1817166137695313
1985830688476563
20429153442382813
212145767211914063

[5,23,113,563,2813,14063,70313,351563,1757813,
 8789063,43945313,219726563,1098632813,5493164063,
 27465820313,137329101563,686645507813,
 3433227539063,17166137695313,85830688476563,
 429153442382813,2145767211914063]