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A052803 as a simple table

na(n)
01
11
25
344
4566
59674
6207166
75343456
8161405016
95591409720
10218592034584
119521490534720
12457329182411856
1324014921905589328
141368772939062117936
1584161443919543331840
165553011951023694408064
17391360838810043628416384
1829342876851060951124158848

[1,1,5,44,566,9674,207166,5343456,161405016,
 5591409720,218592034584,9521490534720,
 457329182411856,24014921905589328,
 1368772939062117936,84161443919543331840,
 5553011951023694408064,391360838810043628416384,
 29342876851060951124158848]