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A020115 as a simple table

na(n)
01
11
22
35
419
590
6524
73599
828342
9251532
102483878
1127012164
12320769441
134129906549
1457302453361
15852373993745
1613531437150693
17228343001917932
184081631159283028
1977040788131467136
201531185664112909315

[1,1,2,5,19,90,524,3599,28342,251532,2483878,
 27012164,320769441,4129906549,57302453361,
 852373993745,13531437150693,228343001917932,
 4081631159283028,77040788131467136,
 1531185664112909315]