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A052854 as a simple table

na(n)
01
11
22
34
410
526
677
7235
8758
92504
108483
1129203
12102030
13360442
141285926
154625102
1616754302
1761067430
18223803775
19824188993
203048383517
2111318928477
2242176798315
23157664823501
24591109863049
252222121888117
268374151243258
2731630394287364
28119725350703472

[1,1,2,4,10,26,77,235,758,2504,8483,29203,102030,
 360442,1285926,4625102,16754302,61067430,
 223803775,824188993,3048383517,11318928477,
 42176798315,157664823501,591109863049,
 2222121888117,8374151243258,31630394287364,
 119725350703472]