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A066331 as a simple table

na(n)
11
23
39
429
599
6348
71260
84644
917382
1065822
11251655
12969819
133762517
1414680890
1557567228
16226712655
17896252850
183555116583
1914144563158

[1,3,9,29,99,348,1260,4644,17382,65822,251655,
 969819,3762517,14680890,57567228,226712655,
 896252850,3555116583,14144563158]