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A182488 as a simple table

na(n)
01
11
21
32
45
512
630
780
8221
9624
101798
115271
1215662
1347052
14142686
15436187
161342669
174158048
1812945758
1940497415
20127225426
21401222453
221269712425
234030877287
2412833659158
2540968993548
26131106215470
27420507819784
281351562339222
294352564765053
3014042486582525

[1,1,1,2,5,12,30,80,221,624,1798,5271,15662,47052,
 142686,436187,1342669,4158048,12945758,40497415,
 127225426,401222453,1269712425,4030877287,
 12833659158,40968993548,131106215470,420507819784,
 1351562339222,4352564765053,14042486582525]