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A030224 as a simple table

na(n)
10
20
30
41
52
67
719
854
9147
10418
111150
123254
139138
1425953
1573717
16210719
17603370
181734739
194998542
2014444576
2141829991
22121406927
23353029078
241028417980
253000754648
268769118355
2725661830891
2875194886765
29220605144778
30647942827064
311905103686527
325607037213434
3316517892572160
3448703328674762

[0,0,0,1,2,7,19,54,147,418,1150,3254,9138,25953,
 73717,210719,603370,1734739,4998542,14444576,
 41829991,121406927,353029078,1028417980,
 3000754648,8769118355,25661830891,75194886765,
 220605144778,647942827064,1905103686527,
 5607037213434,16517892572160,48703328674762]