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A129578 as a simple table

na(n)
01
11
22
35
416
562
6275
71350
87204
941345
10253319
111647434
1211318410
1381820186
14620213998
154915135856
1640617213320
17349192774319
183116811173348
1928830194370470
20275902967857298
212727619197322857
2227818539432598746

[1,1,2,5,16,62,275,1350,7204,41345,253319,1647434,
 11318410,81820186,620213998,4915135856,
 40617213320,349192774319,3116811173348,
 28830194370470,275902967857298,2727619197322857,
 27818539432598746]