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A146037 as a simple table

na(n)
11
21
31
43
57
619
789
8399
91939
1011793
11102715
12985113
1313989079
14211198639
154331591655
1698297746517
172965968725989
18100683520176799

[1,1,1,3,7,19,89,399,1939,11793,102715,985113,
 13989079,211198639,4331591655,98297746517,
 2965968725989,100683520176799]