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A052541 as a simple table

na(n)
01
13
29
328
487
5270
6838
72601
88073
925057
1077772
11241389
12749224
132325444
147217721
1522402387
1669532605
17215815536
18669848995
192079079590
206453054306
2120029011913
2262166115329
23192951400293
24598883212792
251858815753705
265769398661408
2717907079197016

[1,3,9,28,87,270,838,2601,8073,25057,77772,241389,
 749224,2325444,7217721,22402387,69532605,
 215815536,669848995,2079079590,6453054306,
 20029011913,62166115329,192951400293,598883212792,
 1858815753705,5769398661408,17907079197016]