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A049463 as a simple table

na(n)
21
32
47
534
6219
71787
817936
9216169
103069552
1150562672
12953877927
1320389082457
14489301660818
1513080166471127
16386841424466953
1712581201258360820
18447574544428423114
1917333939484785264282
20727718718839603466267

[1,2,7,34,219,1787,17936,216169,3069552,50562672,
 953877927,20389082457,489301660818,13080166471127,
 386841424466953,12581201258360820,
 447574544428423114,17333939484785264282,
 727718718839603466267]