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A025189 as a simple table

na(n)
01
11
21
32
47
511
635
756
8189
9302
101038
111662
125797
139295
1432747
1552572
16186615
17299898
181070762
191722236
206177698
219943555
2235802935
2357663784
24208279007
25335631410
261215507450
271959644390
287113090285
2911472439905
3041724381765
3167320086700

[1,1,1,2,7,11,35,56,189,302,1038,1662,5797,9295,
 32747,52572,186615,299898,1070762,1722236,6177698,
 9943555,35802935,57663784,208279007,335631410,
 1215507450,1959644390,7113090285,11472439905,
 41724381765,67320086700]