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A026034 as a simple table

na(n)
01
11
22
33
46
510
620
735
869
9125
10242
11451
12858
131638
143068
155980
1611050
1721930
1840052
1980750
20145996
21298452
22534888
231106921
241968685
254118725
267276050
2715371475
2826993490
2957528750
30100490220
31215867880
32375287550
33811985790
341405622460

[1,1,2,3,6,10,20,35,69,125,242,451,858,1638,3068,
 5980,11050,21930,40052,80750,145996,298452,534888,
 1106921,1968685,4118725,7276050,15371475,26993490,
 57528750,100490220,215867880,375287550,811985790,
 1405622460]