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A205504 as a simple table

na(n)
01
11
22
34
411
527
692
7252
8906
92787
1010191
1131594
12125998
13393021
141535964
155161328
1620221291
1766306664
18273756969
19897440988
203664037417
2112621555612
2250496343297
23170909672792
24725703552284
252427269270146
269982179588261
2735179417316991
28143999051236064

[1,1,2,4,11,27,92,252,906,2787,10191,31594,125998,
 393021,1535964,5161328,20221291,66306664,
 273756969,897440988,3664037417,12621555612,
 50496343297,170909672792,725703552284,
 2427269270146,9982179588261,35179417316991,
 143999051236064]