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A020019 as a simple table

na(n)
01
11
22
35
419
592
6543
73741
829513
9262341
102594262
1128248627
12335844793
134328666215
1460120364101
15895125421053
1614222548356739
17240203038913808
184296965473902563
1981164903395937306
201614279745319197539
2133720510235556570814

[1,1,2,5,19,92,543,3741,29513,262341,2594262,
 28248627,335844793,4328666215,60120364101,
 895125421053,14222548356739,240203038913808,
 4296965473902563,81164903395937306,
 1614279745319197539,33720510235556570814]