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A045492 as a simple table

na(n)
01
119
2218
31955
415086
5105102
6679764
74154403
824281510
9136887322
10749032492
113997228430
1220880823820
13107088473660
14540472210728
152689562860323
1613217998697430
1764240718824930
18309108505173820

[1,19,218,1955,15086,105102,679764,4154403,
 24281510,136887322,749032492,3997228430,
 20880823820,107088473660,540472210728,
 2689562860323,13217998697430,64240718824930,
 309108505173820]