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A192296 as a simple table

na(n)
01
13
215
393
4621
54425
632703
7248901
81934007
915285771
10122437215
11991731999
128107830597

[1,3,15,93,621,4425,32703,248901,1934007,15285771,
 122437215,991731999,8107830597]