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A060468 as a simple table

na(n)
01
12
214
3124
41314
515272
6187692
72399784
831592878
9425363952
105830034720
1181072032060
121140994231458
1316221323177468
14232615054822964
153360682669655028
1648870013251334676
17714733339229024336

[1,2,14,124,1314,15272,187692,2399784,31592878,
 425363952,5830034720,81072032060,1140994231458,
 16221323177468,232615054822964,3360682669655028,
 48870013251334676,714733339229024336]