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A306080 as a simple table

na(n)
01
11
25
343
4401
54651
664265
71015603
817996081
9354373531
107682286425
11181466541763
124632985312961
13127068851847211
143724903637434985
15116185013450349523
163840969677266089041
17134113334651486325691
184930511086446971405945
19190327859758408148070883

[1,1,5,43,401,4651,64265,1015603,17996081,
 354373531,7682286425,181466541763,4632985312961,
 127068851847211,3724903637434985,
 116185013450349523,3840969677266089041,
 134113334651486325691,4930511086446971405945,
 190327859758408148070883]