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A127090 as a simple table

na(n)
01
12
215
3192
43635
592730
62998366
7117857600
85465922021
9292505725990
1017755023166100
111205937035790936
1290649549598544937
137473077539914412930
14670529221966656416145
1565059053545271098896848

[1,2,15,192,3635,92730,2998366,117857600,
 5465922021,292505725990,17755023166100,
 1205937035790936,90649549598544937,
 7473077539914412930,670529221966656416145,
 65059053545271098896848]