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A038159 as a simple table

na(n)
02
13
27
322
489
5446
62677
718740
8149921
91349290
1013492901
11148421912
121781062945
1323153818286
14324153456005
154862301840076
1677796829441217
171322546100500690
1823805829809012421
19452310766371236000
209046215327424720001
21189970521875919120022

[2,3,7,22,89,446,2677,18740,149921,1349290,
 13492901,148421912,1781062945,23153818286,
 324153456005,4862301840076,77796829441217,
 1322546100500690,23805829809012421,
 452310766371236000,9046215327424720001,
 189970521875919120022]