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A001384 as a simple table

na(n)
01
11
21
32
44
59
619
742
889
9191
10402
11847
121763
133667
147564
1515564
1631851
1764987
18132031
19267471
20539949
211087004
222181796
234367927
248721533
2517372967
2634524291
2768456755
28135446896
29267444085
30527027186
311036591718
322035083599

[1,1,1,2,4,9,19,42,89,191,402,847,1763,3667,7564,
 15564,31851,64987,132031,267471,539949,1087004,
 2181796,4367927,8721533,17372967,34524291,
 68456755,135446896,267444085,527027186,1036591718,
 2035083599]