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A052911 as a simple table

na(n)
01
12
27
321
466
5205
6639
71990
86199
919309
1060146
11187349
12583575
131817782
145662223
1517637301
1654938562
17171128541
18533049583
191660400166
205171992999
2116110279997
2250182032658
23156312391973
24486898648583
251516644272406

[1,2,7,21,66,205,639,1990,6199,19309,60146,187349,
 583575,1817782,5662223,17637301,54938562,
 171128541,533049583,1660400166,5171992999,
 16110279997,50182032658,156312391973,486898648583,
 1516644272406]