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A261479 as a simple table

na(n)
01
10
20
31
47
5458
618944
7858023
842615547
92331292564
10140077132527
119199520194445
12656844469384222
1350720708063406821
144215138323234299756
15375319710150454887887
1635660986210126871452435
173602425696957042245685448
18385625195068544676072425069

[1,0,0,1,7,458,18944,858023,42615547,2331292564,
 140077132527,9199520194445,656844469384222,
 50720708063406821,4215138323234299756,
 375319710150454887887,35660986210126871452435,
 3602425696957042245685448,
 385625195068544676072425069]