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A150109 as a simple table

na(n)
01
12
26
319
469
5263
61044
74240
817595
974391
10318493
111378895
126022039
1326520440
14117549906
15524068965
162348103782
1710568464412
1847754218422
19216537083286
20984983798215
214493317804295
2220550859759855
2394213221969645
24432845203438126
251992563341419802
269189311952508953
2742450573153408853

[1,2,6,19,69,263,1044,4240,17595,74391,318493,
 1378895,6022039,26520440,117549906,524068965,
 2348103782,10568464412,47754218422,216537083286,
 984983798215,4493317804295,20550859759855,
 94213221969645,432845203438126,1992563341419802,
 9189311952508953,42450573153408853]